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K56.5 ICD-10-CM Code: Intestinal adhesions [bands] with obstruction (postinfection)

Compare with another code for K56.5Check this code on a claim

Billing Status: NO. This is a non-billable ICD-10-CM code: report a more specific billable code beneath it.

Coding at a Glance

Tabular directives
2 inclusion terms · 7 Excludes1 · 1 Excludes2

Not billable · FY2027A non-billable heading in the tabular list: report a more specific code beneath it.

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.

Excludes1from K56Not reported with this code unless documented as unrelated
  • congenital stricture or stenosis of intestine (Q41-Q42)
  • cystic fibrosis with meconium ileus (E84.11)
  • ischemic stricture of intestine (K55.1)
  • meconium ileus NOS (P76.0)

+3 more in Instructions

Excludes2from K56Not included here; may be reported together
  • stenosis of anus or rectum (K62.4)
IncludesWhat this code covers
  • Abdominal hernia due to adhesions with obstruction
  • Peritoneal adhesions [bands] with intestinal obstruction (postinfection)

Where it sits Source: CMS/NCHS

Under:Chapter 11: Diseases of the Digestive SystemK55-K64 Other diseases of intestinesK56 Paralytic ileus and intestinal obstruction without hernia

Codes under K56.5 (3)

  • K56.50Intestinal adhesions [bands], unspecified as to partial versus complete obstructionBillable
  • K56.51Intestinal adhesions [bands], with partial obstructionBillable
  • K56.52Intestinal adhesions [bands] with complete obstructionBillable

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

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for K56.5 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 K56.5 itself; “inherited from” names the category or block whose note applies here.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Abdominal hernia due to adhesions with obstruction
  • Peritoneal adhesions [bands] with intestinal obstruction (postinfection)

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Source: inherited from K56

Excludes2 — Not Included Here

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

Source: inherited from K56

Coder workflow for K56.5

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

Before you code K56.5

  1. K56.5 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).

    ReviewK56.50, K56.51, K56.52

    See the relationships section · Guide: How to choose an ICD-10-CM code →

  2. K56.5’s title joins a condition with an associated condition or complication. Confirm each component is documented. Where the classification presumes the link through the “with” convention, only a provider statement that the conditions are unrelated defeats it. A combination code is assigned only when it fully identifies the documented conditions; a required second code for the stage, type or manifestation is still reported when the notes ask for it (Guidelines I.B.9, I.A.15).

    Guide: Combination codes →

  3. Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with the code beneath K56.5. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).

    See the official tabular notes

Choose the right path

  1. Does the documentation support one of the more specific codes beneath K56.5?
    Yes → Select that code and continue the checks below on its own page.
    No → K56.5 cannot be reported as written. Where the codes beneath it include an unspecified code, that code applies when the record goes no further; otherwise query for the missing detail.

    ReviewK56.50, K56.51, K56.52

  2. Does the documentation support a condition named in K56.5’s Excludes1 note?
    Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
    No → Continue.

    ReviewE84.11, K55.1, P76.0, P76, K31.5, K91.3

Report the code beneath K56.5 that the documentation supports, not K56.5 itself. Then confirm that code is valid for the date of service on its own page.

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).
The associated condition or complication
Whether the associated condition the title names is documented; the “with” convention presumes some links, and a provider statement that the conditions are unrelated defeats it (Guidelines I.A.15).

Official instructions as workflow

  • Excludes1 — check before selecting K56.5(7 notes)

    Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with K56.5: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.

    CompareE84.11, K55.1, P76.0, P76, K31.5, K91.3

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

  • Excludes2 — not part of K56.5(1 note)

    Coding workflow: The conditions named in this note are not included in K56.5. When the record documents both, both may be reported; the note is a boundary, not a prohibition.

    CompareK62.4

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

Coding decision scenarios

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

Documentation: Both the condition K56.5 describes and a condition named in its Excludes1 note are documented for the same encounter.

Coding question: Can both codes be reported?

Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.

Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).

ReviewE84.11, K55.1, P76.0, P76, K31.5, K91.3

Documentation: Only one of the components this code’s title joins is documented.

Coding question: Is the code beneath K56.5 supported?

Path: Review the code for the documented component on its own.

Reason: A combination code is assigned only when it fully identifies the documented conditions; otherwise the documented component takes its own code (Guidelines I.B.9).

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 K56.5 with…

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

The codes most likely to be picked instead of K56.5 — 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.

  • Q41— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of congenital stricture or stenosis of intestine moves the case to Q41; the two are not reported together unless documented as unrelated.

    Full comparison: K56.5 vs Q41 →

  • Q42— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of congenital stricture or stenosis of intestine moves the case to Q42; the two are not reported together unless documented as unrelated.

    Full comparison: K56.5 vs Q42 →

  • E84.11— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of cystic fibrosis with meconium ileus moves the case to E84.11; the two are not reported together unless documented as unrelated.

    Full comparison: K56.5 vs E84.11 →

  • K55.1— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of ischemic stricture of intestine moves the case to K55.1; the two are not reported together unless documented as unrelated.

    Full comparison: K56.5 vs K55.1 →

  • P76.0— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of meconium ileus NOS moves the case to P76.0; the two are not reported together unless documented as unrelated.

    Full comparison: K56.5 vs P76.0 →

  • K31.5— Excludes1 conflict (Excludes1 — generally not reported together)

    Not coded here — the tabular list excludes this pair for the same encounter.

    Not reported together with this code, except where the two conditions are documented as unrelated.

    What moves you there: Documentation of obstruction of duodenum moves the case to K31.5; the two are not reported together unless documented as unrelated.

    Full comparison: K56.5 vs K31.5 →

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

Intestinal adhesions [bands] with obstruction (postinfection) is a non-billable ICD-10-CM category code (K56.5). A more specific billable subcode must be selected for claims submission.

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

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 K56.5 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: K66.0 — Peritoneal adhesions (postprocedural) (postinfection).

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

Referenced by 11 Excludes2 notes: R10 — Abdominal and pelvic pain (via K56.-), R10-R19 — Symptoms and signs involving the digestive system and abdomen (R10-R19) (via K56.-), R11 — Nausea and vomiting (via K56.-), R12 — Heartburn (via K56.-), R13 — Aphagia and dysphagia (via K56.-), R14 — Flatulence and related conditions (via K56.-), R15 — Fecal incontinence (via K56.-), R16 — Hepatomegaly and splenomegaly, not elsewhere classified (via K56.-), R17 — Unspecified jaundice (via K56.-), R18 — Ascites (via K56.-), R19 — Other symptoms and signs involving the digestive system and abdomen (via K56.-).

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

Clinical classification (AHRQ CCSR):DIG012 — Intestinal obstruction and ileus (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 category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Intestinal obstruction and ileus).

K51.412 — Inflammatory polyps of colon with intestinal obstruction, K51.512 — Left sided colitis with intestinal obstruction, K51.812 — Other ulcerative colitis with intestinal obstruction, K51.912 — Ulcerative colitis, unspecified with intestinal obstruction, K56.0 — Paralytic ileus, K56.1 — Intussusception, K56.2 — Volvulus, K56.3 — Gallstone ileus, K56.41 — Fecal impaction, K56.49 — Other impaction of intestine, K56.50 — Intestinal adhesions [bands], unspecified as to partial versus complete obstruction, K56.51 — Intestinal adhesions [bands], with partial obstruction, K56.52 — Intestinal adhesions [bands] with complete obstruction, K56.60 — Unspecified intestinal obstruction, K56.600 — Partial intestinal obstruction, unspecified as to cause, K56.601 — Complete intestinal obstruction, unspecified as to cause, K56.609 — Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction, K56.69 — Other intestinal obstruction, K56.690 — Other partial intestinal obstruction, K56.691 — Other complete intestinal obstruction, +29 more

Contextual Map

Every relationship of K56.5 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 K56.5 with these 9 related codes in Claim Check

Hierarchy

Referenced by Excludes1 notes

Referenced by Excludes2 notes (11)

Clinical classification (CCSR)

Nearest codes (21)

Change history (4)

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.

Common coding questions

MedCoder editorial

Can K56.5 be billed directly?

No. K56.5 (Intestinal adhesions [bands] with obstruction (postinfection)) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

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
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. "K56.5 — Intestinal adhesions [bands] with obstruction (postinfection)." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/k56.5-intestinal-adhesions-bands-with-obstruction-postinfection

Change history

  • FY2018 — October 1, 2017
    Became a non-billable header
    FY2018 changes
  • FY2018 — October 1, 2017
    Description revised
    Intestinal adhesions [bands] with obstruction (postprocedural) (postinfection) → Intestinal adhesions [bands] with obstruction (postinfection)
    FY2018 changes
  • FY2018 — October 1, 2017
    Short description revised
    Intestinal adhesions w obst (postprocedural) (postinfection) → Intestinal adhesions with obstruction (postinfection)
    FY2018 changes
  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Intestinal adhesions [bands] with obstruction (postprocedural) (postinfection)

Nearest Codes in This Family

Official ICD-10-CM classifications closest to K56.5 in its code family, with their registry titles.

View all codes in the K56 family