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T87.0X9 ICD-10-CM Code: Complications of reattached (part of) unspecified upper extremity

Compare with another code for T87.0X9Check this code on a claim

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Coding at a Glance

Tabular directives
21 Excludes2 · 3 use-additional instructions
Risk adjustment
CMS-HCC V28: 1 category · CMS-HCC V22 category 173

Billable · FY2027A valid, specific ICD-10-CM code, reportable for dates of service in FY2027.

What you need to know

Source: CMS/NCHS Official ICD-10-CM tabular notes, quoted. From the CMS/NCHS tabular list for the release in force. A note the category or block publishes applies to this code too, and is marked with where it comes from.

Use additional codefrom T80-T88Report with this code when documented
  • Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • Use additional code(s) to identify the specified condition resulting from the complication
  • Use additional code to identify devices involved and details of circumstances (Y62-Y82)
Excludes2Not included here; may be reported together
  • any encounters with medical care for postprocedural conditions in which no complications are present, such as: (from T80-T88)
  • artificial opening status (Z93.-) (from T80-T88)
  • closure of external stoma (Z43.-) (from T80-T88)
  • fitting and adjustment of external prosthetic device (Z44.-) (from T80-T88)

+17 more in Instructions

Where it sits Source: CMS/NCHS

Under:Chapter 19: Injury, Poisoning and Certain Other Consequences of External CausesT07-T88 Injury, poisoning and certain other consequences of external causesT80-T88 Complications of surgical and medical care, not elsewhere classifiedT87 Complications peculiar to reattachment and amputationT87.0 Complications of reattached (part of) upper extremityT87.0X Complications of reattached (part of) upper extremity

Most relevant related codes MedCoder-derived

Read off the official notes above and this code’s own position in the tabular list. Which to report is a documentation question; Compare shows the two side by side.

CompareCheck ClaimView Related Codes

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v44, Appendix B.

  • MS-DRG 559 — AFTERCARE, MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE WITH MCC (MDC 08)
  • MS-DRG 560 — AFTERCARE, MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE WITH CC (MDC 08)
  • MS-DRG 561 — AFTERCARE, MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE WITHOUT CC/MCC (MDC 08)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Risk Adjustment (CMS-HCC)

Payment categories this diagnosis maps to under CMS-HCC V28, payment year 2026.

  • HCC 405 — Traumatic Amputations and Complications (supersedes HCC 409)

Other models: CMS-HCC V22 HCC 173

Risk scores depend on the enrollee's full accepted diagnosis set and segment; a category mapping alone does not determine payment.

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for T87.0X9 in the official ICD-10-CM tabular list, quoted as published.

Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2027Effective: October 1, 2026

Trace:FY2027 changesChange historyRelease, file and checksum

Notes without a marker are published on T87.0X9 itself; “inherited from” names the category or block whose note applies here.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • Use additional code(s) to identify the specified condition resulting from the complication
  • Use additional code to identify devices involved and details of circumstances (Y62-Y82)

Source: inherited from T80-T88

Coder workflow for T87.0X9

MedCoder structured workflow — derived from this code’s own official record

Before you code T87.0X9

  1. Unspecified does not mean incorrect. When the record gives no greater specificity, T87.0X9 may be the appropriate code. Check the record for detail that supports a more specific sibling. An unspecified code is for records that do not provide the detail a more specific code needs; a query, not an assumption, is the route to specificity (Guidelines I.A.9.b, I.B.18).

    ReviewT87.0X1, T87.0X2

    See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →

  2. Laterality is coded in this family. Confirm the side documented — right, left, or bilateral — and select the matching code (this page’s code: unspecified). The unspecified-side code applies only when the record states no side. Laterality is assigned from the documented side; where a bilateral code exists and both sides are documented, it is used instead of two unilateral codes (Guidelines I.B.13).

    ReviewT87.0X1 · right, T87.0X2 · left

    Guide: Laterality coding →

Choose the right path

  1. Does the record document the detail a more specific sibling code needs?
    Yes → Review the specific siblings in this subcategory.
    No → Continue — T87.0X9 is appropriate when the documentation goes no further.

    ReviewT87.0X1, T87.0X2

  2. Is the side documented?
    Yes → Select the code for the documented side (or the bilateral code when both sides are documented and one exists).
    No → Use the unspecified-side code only when the record states no side; a query is the alternative.

    ReviewT87.0X1 · right, T87.0X2 · left

Consider T87.0X9. Then work the Use Additional Code note, and confirm the code is valid for the date of service in the Verify section.

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
Laterality
Right, left or bilateral as documented; unspecified only when the record states no side (Guidelines I.B.13).
The conditions the Use Additional Code note names
Reported with this code when documented; a conditional instruction (“if applicable”, “if known”) applies only when the record supports it.
Any detail beyond this code’s title
What the record states that a more specific code would capture — or its absence, which itself supports the unspecified code.

Official instructions as workflow

  • Excludes2 — not part of T87.0X9(21 notes)

    Coding workflow: The conditions named in this note are not included in T87.0X9. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareZ93, Z43, Z44, R50.82, G97.0, K94.0

    See the official tabular notes · Guidelines I.A.12.b

  • Use Additional Code — after identifying T87.0X9(3 notes)

    Coding workflow: Check whether the documentation supports the additional code(s) the note names, and report them with T87.0X9 when it does. Where the instruction is conditional (“if applicable”, “if known”), it applies only when the record documents the condition.

    See the official tabular notes · Guidelines I.A.13

Coding decision scenarios

Pattern scenarios for this code’s structure — decision rules, not clinical cases

Documentation: The provider documents the condition in the terms of this code’s title and records no further detail.

Coding question: Is a more specific sibling code supportable?

Path: Review the specific siblings in this subcategory and what each requires the record to state.

Reason: A more specific code needs documentation of the distinguishing element; without it the unspecified code is appropriate, and a provider query is the route to specificity (Guidelines I.A.9.b, I.B.18).

ReviewT87.0X1, T87.0X2

Documentation: The record documents the condition on one side only.

Coding question: Which code in this family applies?

Path: Select the sibling code for the documented side.

Reason: Laterality is assigned from the documented side; the unspecified-side code is for records that state no side (Guidelines I.B.13).

ReviewT87.0X1 · right, T87.0X2 · left

Documentation: A condition the Use Additional Code note names is documented.

Coding question: Is a second code reported with T87.0X9?

Path: Review the Use Additional Code note and the code it names.

Reason: The additional code is reported when the record documents the condition; a conditional instruction applies only when its condition is met (Guidelines I.A.13).

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Don’t confuse T87.0X9 with…

MedCoder analysis — pairs from this code’s official notes, distinctions written by MedCoder

The codes most likely to be picked instead of T87.0X9 — named in its own official notes, or sharing its laterality or encounter family — with what separates them and which documentation moves the case. Each links to the full comparison.

  • T87.0X1— Laterality relationship (Review)

    Same condition; these differ only in which side is documented.

    The same condition with a different side named (the opposite side, both sides, or none); the documented side decides, and a bilateral code, where one exists, replaces the pair when both sides are documented.

    What moves you there: A documented right side moves the case to T87.0X1.

    Full comparison: T87.0X9 vs T87.0X1 →

  • T87.0X2— Laterality relationship (Review)

    Same condition; these differ only in which side is documented.

    The same condition with a different side named (the opposite side, both sides, or none); the documented side decides, and a bilateral code, where one exists, replaces the pair when both sides are documented.

    What moves you there: A documented left side moves the case to T87.0X2.

    Full comparison: T87.0X9 vs T87.0X2 →

  • Z93— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of artificial opening status adds Z93; it is not part of this code and both may be reported when both are documented.

    Full comparison: T87.0X9 vs Z93 →

  • Z43— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of closure of external stoma adds Z43; it is not part of this code and both may be reported when both are documented.

    Full comparison: T87.0X9 vs Z43 →

  • Z44— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of fitting and adjustment of external prosthetic device adds Z44; it is not part of this code and both may be reported when both are documented.

    Full comparison: T87.0X9 vs Z44 →

  • T20— Excludes2 relationship (Informational)

    Distinct conditions — both may be reported.

    A distinct condition — both may be reported when both are documented.

    What moves you there: Documentation of burns and corrosions from local applications and irradiation adds T20; it is not part of this code and both may be reported when both are documented.

    Full comparison: T87.0X9 vs T20 →

Relationships are read from this code's own official notes, its laterality siblings and its encounter family; the wording of each distinction is MedCoder editorial, and the documentation named in each “what moves you there” line is the official note phrase or sibling title itself. Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a.

Coding context

Guidelines, coding notes, decision aids, relationships (with MS-DRG and CCSR classification), hierarchy, HCC, coverage and the context map: what a coder reaches for after the core. Each section names whether it is official source data, a MedCoder-derived relationship or MedCoder editorial.

Code Overview

Complications of reattached (part of) unspecified upper extremity is a billable ICD-10-CM diagnosis code (T87.0X9).

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Verify Before Coding

  • CC as a secondary diagnosis (FY2027). Can raise the stay's MS-DRG severity tier.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

MedCoder-derived relationships — computed from published CMS and AHRQ datasets

Other codes that name T87.0X9 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 1 Excludes1 note: T88.7 — Unspecified adverse effect of drug or medicament (via T87.-).

These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.

Referenced by 2 Excludes2 notes: T78 — Adverse effects, not elsewhere classified (via T87.-), T79 — Certain early complications of trauma, not elsewhere classified (via T87.-).

These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.

MS-DRG Grouper Relationships (FY2027)

Potential MS-DRG participation — not a DRG assignment.

FY2027 MS-DRG: CC — Complication or Comorbidity. Reported as a secondary diagnosis, this code raises the stay's MS-DRG severity tier — except when the principal diagnosis is one of 51 clinically related codes on its CMS exclusion list.

Named in the grouper logic of 3 MS-DRGs: DRG 559 (MDC 08), DRG 560 (MDC 08), DRG 561 (MDC 08).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):INJ036 — Complication of transplanted organs or tissue, initial encounter (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Same clinical process (MS-DRG)

Acts as CC — raises the severity of other admissions. CMS groups these diagnoses into one MS-DRG principal-diagnosis exclusion process — a CC/MCC on this list never raises severity when the principal diagnosis is also on it.

H95.811 — Postprocedural stenosis of right external ear canal, H95.812 — Postprocedural stenosis of left external ear canal, H95.813 — Postprocedural stenosis of external ear canal, bilateral, H95.819 — Postprocedural stenosis of unspecified external ear canal, H95.88 — Other intraoperative complications and disorders of the ear and mastoid process, not elsewhere classified, H95.89 — Other postprocedural complications and disorders of the ear and mastoid process, not elsewhere classified, I97.3 — Postprocedural hypertension, L76.81 — Other intraoperative complications of skin and subcutaneous tissue, L76.82 — Other postprocedural complications of skin and subcutaneous tissue, M96.89 — Other intraoperative and postprocedural complications and disorders of the musculoskeletal system, N98.1 — Hyperstimulation of ovaries, N98.2 — Complications of attempted introduction of fertilized ovum following in vitro fertilization, N98.3 — Complications of attempted introduction of embryo in embryo transfer, N98.8 — Other complications associated with artificial fertilization, N98.9 — Complication associated with artificial fertilization, unspecified, T81.82XA — Emphysema (subcutaneous) resulting from a procedure, initial encounter, T81.89XA — Other complications of procedures, not elsewhere classified, initial encounter, T81.9XXA — Unspecified complication of procedure, initial encounter, T87.0X1 — Complications of reattached (part of) right upper extremity, T87.0X2 — Complications of reattached (part of) left upper extremity, +30 more

Same condition, different side

Same title, differing only in which side of the body it names: right, left, bilateral or unspecified.

T87.0X1 — Complications of reattached (part of) right upper extremity (right)Compare T87.0X9 vs T87.0X1 →, T87.0X2 — Complications of reattached (part of) left upper extremity (left)Compare T87.0X9 vs T87.0X2 →

Same CMS-HCC risk category (V28)

CMS maps these diagnoses to the same Hierarchical Condition Category (Traumatic Amputations and Complications) for risk-adjusted payment.

S98.021A — Partial traumatic amputation of right foot at ankle level, initial encounter, S98.022A — Partial traumatic amputation of left foot at ankle level, initial encounter, S98.029A — Partial traumatic amputation of unspecified foot at ankle level, initial encounter, S98.311A — Complete traumatic amputation of right midfoot, initial encounter, S98.312A — Complete traumatic amputation of left midfoot, initial encounter, S98.319A — Complete traumatic amputation of unspecified midfoot, initial encounter, S98.321A — Partial traumatic amputation of right midfoot, initial encounter, S98.322A — Partial traumatic amputation of left midfoot, initial encounter, S98.329A — Partial traumatic amputation of unspecified midfoot, initial encounter, S98.911A — Complete traumatic amputation of right foot, level unspecified, initial encounter, S98.912A — Complete traumatic amputation of left foot, level unspecified, initial encounter, S98.919A — Complete traumatic amputation of unspecified foot, level unspecified, initial encounter, S98.921A — Partial traumatic amputation of right foot, level unspecified, initial encounter, S98.922A — Partial traumatic amputation of left foot, level unspecified, initial encounter, S98.929A — Partial traumatic amputation of unspecified foot, level unspecified, initial encounter, T87.0X1 — Complications of reattached (part of) right upper extremity, T87.0X2 — Complications of reattached (part of) left upper extremity, T87.1X1 — Complications of reattached (part of) right lower extremity, T87.1X2 — Complications of reattached (part of) left lower extremity, T87.1X9 — Complications of reattached (part of) unspecified lower extremity, +87 more

Related risk categories

These categories interact through CMS's HCC hierarchy — one can suppress the other's risk-adjustment weight when both are present on a claim.

Amputation Status, Lower Limb/Amputation Complications

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Complication of transplanted organs or tissue, initial encounter).

T86.851 — Intestine transplant failure, T86.852 — Intestine transplant infection, T86.858 — Other complications of intestine transplant, T86.859 — Unspecified complication of intestine transplant, T86.890 — Other transplanted tissue rejection, T86.891 — Other transplanted tissue failure, T86.892 — Other transplanted tissue infection, T86.898 — Other complications of other transplanted tissue, T86.899 — Unspecified complication of other transplanted tissue, T86.90 — Unspecified complication of unspecified transplanted organ and tissue, T86.91 — Unspecified transplanted organ and tissue rejection, T86.92 — Unspecified transplanted organ and tissue failure, T86.93 — Unspecified transplanted organ and tissue infection, T86.99 — Other complications of unspecified transplanted organ and tissue, T87.0X1 — Complications of reattached (part of) right upper extremity, T87.0X2 — Complications of reattached (part of) left upper extremity, T87.1X1 — Complications of reattached (part of) right lower extremity, T87.1X2 — Complications of reattached (part of) left lower extremity, T87.1X9 — Complications of reattached (part of) unspecified lower extremity, T87.2 — Complications of other reattached body part, +76 more

Contextual Map

Every relationship of T87.0X9 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run T87.0X9 with these 3 related codes in Claim Check

Hierarchy

Referenced by Excludes1 notes

Referenced by Excludes2 notes

Clinical classification (CCSR)

Risk adjustment (CMS-HCC)

  • HCC 405 — Traumatic Amputations and Complications [CMS-HCC]: “Traumatic Amputations and Complications — supersedes HCC 409 (Amputation Status, Lower Limb/Amputation Complications)”— CMS-HCC V28 · 2026

MS-DRG Grouper

MDC crossing

  • MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue[MDC crossing]: “Diseases and Disorders of the Musculoskeletal System and Connective Tissue — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 18,439 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2027

Nearest codes (33)

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

Reference

Index terms and tables, published questions and FAQ, every source behind this page with its release and checksum, the date-of-service check and the complete change history.

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2027 tabular list, index and tables, effective October 1, 2026 Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v44.0 (October 2026) Release, file and checksum · Publisher’s page
Inpatient payment groups Official source data
CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44 Release, file and checksum · Publisher’s page
Risk adjustment Official source data
2026 Mid-Year Final ICD-10 Mappings + Model Software (cms.gov/files/zip/2026-midyear-final-icd-10-mappings.zip, 2026-midyear-final-model-software.zip) — CMS-HCC V28, PY2026 mid-year final release Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder-derived relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder editorial explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources

Labels on this page: Official source data · MedCoder-derived relationship · MedCoder editorial explanation. How to read the labels · All data sources and release dates · CMS coding rules

Cite this page

Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.

MedCoder.ai. "T87.0X9 — Complications of reattached (part of) unspecified upper extremity." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/t87.0x9-complications-of-reattached-part-of-unspecified-upper-extremity

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Complications of reattached (part of) unspecified upper extremity

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027, and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to T87.0X9 in its code family, with their registry titles.

View all codes in the T87 family