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D29.20 ICD-10-CM Code: Benign neoplasm of unspecified testis

Compare with another code for D29.20Check 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
1 inclusion term · 1 use-additional code

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 D29.2Report with this code when documented
  • Use additional code to identify any functional activity.
Includesfrom D29What D29 covers
  • benign neoplasm of skin of male genital organs

Where it sits Source: CMS/NCHS

Under:Chapter 2: NeoplasmsD10-D36 Benign neoplasms, except benign neuroendocrine tumorsD29 Benign neoplasm of male genital organsD29.2 Benign neoplasm of testis

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 729 — OTHER MALE REPRODUCTIVE SYSTEM DIAGNOSES WITH CC/MCC (MDC 12)
  • MS-DRG 730 — OTHER MALE REPRODUCTIVE SYSTEM DIAGNOSES WITHOUT CC/MCC (MDC 12)

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.

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for D29.20 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 D29.20 itself; “inherited from” names the category or block whose note applies here.

Includes

Conditions the official ICD-10-CM tabular list includes under this code.

  • benign neoplasm of skin of male genital organs

Source: inherited from D29

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code to identify any functional activity.

Source: inherited from D29.2

Coder workflow for D29.20

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

Before you code D29.20

  1. Unspecified does not mean incorrect. When the record gives no greater specificity, D29.20 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).

    ReviewD29.21, D29.22

    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).

    ReviewD29.21 · right, D29.22 · left

    Guide: Laterality coding →

  3. Confirm the documented site and behavior (this code’s block classifies benign neoplasms), whether the site is primary or secondary, and whether the malignancy is current or a personal history: a previously excised malignancy with no further treatment and no evidence of disease is history, not current disease. Verify the site against the Table of Neoplasms. Neoplasm chapter guidelines (Guidelines I.C.2.a, I.C.2.d, I.C.2.m).

    See the Table of Neoplasms entries · Guide: Active cancer vs history of cancer →

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 — D29.20 is appropriate when the documentation goes no further.

    ReviewD29.21, D29.22

  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.

    ReviewD29.21 · right, D29.22 · left

Consider D29.20. 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).
Anatomical site
At the most specific level the record states; a site the classification separates cannot be assumed from a procedure or a measurement.
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.
Behavior and current-versus-history status
Malignant, in situ, benign or uncertain; primary or secondary; current disease or personal history (Guidelines I.C.2.m).
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

  • Use Additional Code — after identifying D29.20(1 note)

    Coding workflow: Check whether the documentation supports the additional code(s) the note names, and report them with D29.20 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).

ReviewD29.21, D29.22

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).

ReviewD29.21 · right, D29.22 · left

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

Coding question: Is a second code reported with D29.20?

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 D29.20 with…

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

The codes most likely to be picked instead of D29.20 — 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.

  • D29.21— 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 D29.21.

    Full comparison: D29.20 vs D29.21 →

  • D29.22— 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 D29.22.

    Full comparison: D29.20 vs D29.22 →

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

Benign neoplasm of unspecified testis is a billable ICD-10-CM diagnosis code (D29.20).

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

  • No Medicare Code Editor or MS-DRG Definitions Manual restrictions apply to this code.

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 D29.20 or its code family, from the CMS Table of Neoplasms and the CMS Table of Neoplasms (site match derived from the code title).

Referenced by 7 Same-site neoplasm codes: C62.0 — Malignant neoplasm of undescended testis (via D29.2.-)Compare D29.20 vs C62.0 →, C62.1 — Malignant neoplasm of descended testis (via D29.2.-)Compare D29.20 vs C62.1 →, C62.9 — Malignant neoplasm of testis, unspecified whether descended or undescended (via D29.2.-)Compare D29.20 vs C62.9 →, C79.82 — Secondary malignant neoplasm of genital organs (via D29.2.-)Compare D29.20 vs C79.82 →, D07.69 — Carcinoma in situ of other male genital organs (via D29.2.-)Compare D29.20 vs D07.69 →, D40.1 — Neoplasm of uncertain behavior of testis (via D29.2.-)Compare D29.20 vs D40.1 →, D49.59 — Neoplasm of unspecified behavior of other genitourinary organ (via D29.2.-)Compare D29.20 vs D49.59 →.

These codes represent related neoplasm behaviors affecting the same anatomic site.

Referenced by 3 Screening & history codes: Z12.71 — Encounter for screening for malignant neoplasm of testis (via D29.2.-)Compare D29.20 vs Z12.71 →, Z80.43 — Family history of malignant neoplasm of testis (via D29.2.-)Compare D29.20 vs Z80.43 →, Z85.47 — Personal history of malignant neoplasm of testis (via D29.2.-)Compare D29.20 vs Z85.47 →.

These codes represent screening tests and history codes that refer to this active disease condition.

MS-DRG Grouper Relationships (FY2027)

Potential MS-DRG participation — not a DRG assignment.

FY2027 MS-DRG: not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity for that release.

Named in the grouper logic of 2 MS-DRGs: DRG 729 (MDC 12), DRG 730 (MDC 12).

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

Clinical classification (AHRQ CCSR):NEO073 — Benign neoplasms (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 condition, different side

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

D29.21 — Benign neoplasm of right testis (right)Compare D29.20 vs D29.21 →, D29.22 — Benign neoplasm of left testis (left)Compare D29.20 vs D29.22 →

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Benign neoplasms).

D27.0 — Benign neoplasm of right ovary, D27.1 — Benign neoplasm of left ovary, D27.9 — Benign neoplasm of unspecified ovary, D28.0 — Benign neoplasm of vulva, D28.1 — Benign neoplasm of vagina, D28.2 — Benign neoplasm of uterine tubes and ligaments, D28.7 — Benign neoplasm of other specified female genital organs, D28.9 — Benign neoplasm of female genital organ, unspecified, D29.0 — Benign neoplasm of penis, D29.1 — Benign neoplasm of prostate, D29.21 — Benign neoplasm of right testis, D29.22 — Benign neoplasm of left testis, D29.30 — Benign neoplasm of unspecified epididymis, D29.31 — Benign neoplasm of right epididymis, D29.32 — Benign neoplasm of left epididymis, D29.4 — Benign neoplasm of scrotum, D29.8 — Benign neoplasm of other specified male genital organs, D29.9 — Benign neoplasm of male genital organ, unspecified, D30.00 — Benign neoplasm of unspecified kidney, D30.01 — Benign neoplasm of right kidney, +252 more

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main terms “Tumor”, “Adenoma”, “Androblastoma”; these codes share that main term but sit in a different category of the Tabular List.

D18.02 — Hemangioma of intracranial structures (glomus, intracranial), D18.03 — Hemangioma of intra-abdominal structures (glomus, intra-abdominal), D18.09 — Hemangioma of other sites (glomus, specified site NEC), D21.4 — Benign neoplasm of connective and other soft tissue of abdomen (stromal, gastric, benign), D23.2 — Other benign neoplasm of skin of ear and external auricular canal (ceruminous), D23.4 — Other benign neoplasm of skin of scalp and neck (turban), D23.9 — Other benign neoplasm of skin, unspecified (apocrine, unspecified site), D24 — Benign neoplasm of breast (nipple), D27 — Benign neoplasm of ovary (hilus cell), D27.9 — Benign neoplasm of unspecified ovary (Brenner), D34 — Benign neoplasm of thyroid gland (Hurthle cell), D35.0 — Benign neoplasm of adrenal gland (adrenal, cortical), D35.00 — Benign neoplasm of unspecified adrenal gland (black), D35.1 — Benign neoplasm of parathyroid gland (chief cell), D35.2 — Benign neoplasm of pituitary gland (basophil, unspecified site), D37.8 — Neoplasm of uncertain behavior of other specified digestive organs (G cell, unspecified site), D37.9 — Neoplasm of uncertain behavior of digestive organ, unspecified (papillary, cystic), D38.1 — Neoplasm of uncertain behavior of trachea, bronchus and lung (bronchial), D39.0 — Neoplasm of uncertain behavior of uterus (stromal, endometrial), D39.1 — Neoplasm of uncertain behavior of ovary (granulosa cell), +113 more

Lab tests where this diagnosis supports Medicare coverage (NCD)

Medicare's National Coverage Determination (NCD) program lists this diagnosis as medical justification for these lab tests.

Iron Panel

Contextual Map

Every relationship of D29.20 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.

Hierarchy

Referenced by Same-site neoplasm codes

Referenced by Screening & history codes MedCoder-derived

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

  • MDC 12 — Diseases and Disorders of the Male Reproductive System[MDC crossing]: “Diseases and Disorders of the Male Reproductive System — 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. 1,969 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2027

Neoplasm sites

  • Neoplasm, neoplastic, testis, testes — Neoplasm, neoplastic, testis, testes — Benign [Neoplasm table]: “Neoplasm, neoplastic, testis, testes (Benign)”— CMS Table of Neoplasms · icd10cm-fy2027
  • Neoplasm, neoplastic, testis, testes, descended — Neoplasm, neoplastic, testis, testes, descended — Benign [Neoplasm table]: “Neoplasm, neoplastic, testis, testes, descended (Benign)”— CMS Table of Neoplasms · icd10cm-fy2027
  • Neoplasm, neoplastic, testis, testes, ectopic — Neoplasm, neoplastic, testis, testes, ectopic — Benign [Neoplasm table]: “Neoplasm, neoplastic, testis, testes, ectopic (Benign)”— CMS Table of Neoplasms · icd10cm-fy2027
  • Neoplasm, neoplastic, testis, testes, retained — Neoplasm, neoplastic, testis, testes, retained — Benign [Neoplasm table]: “Neoplasm, neoplastic, testis, testes, retained (Benign)”— CMS Table of Neoplasms · icd10cm-fy2027
  • Neoplasm, neoplastic, testis, testes, scrotal — Neoplasm, neoplastic, testis, testes, scrotal — Benign [Neoplasm table]: “Neoplasm, neoplastic, testis, testes, scrotal (Benign)”— CMS Table of Neoplasms · icd10cm-fy2027
  • Neoplasm, neoplastic, testis, testes, undescended — Neoplasm, neoplastic, testis, testes, undescended — Benign [Neoplasm table]: “Neoplasm, neoplastic, testis, testes, undescended (Benign)”— CMS Table of Neoplasms · icd10cm-fy2027
  • Neoplasm, neoplastic, testis, testes, unspecified whether descended or undescended — Neoplasm, neoplastic, testis, testes, unspecified whether descended or undescended — Benign [Neoplasm table]: “Neoplasm, neoplastic, testis, testes, unspecified whether descended or undescended (Benign)”— CMS Table of Neoplasms · icd10cm-fy2027

Index entries (18)

  • Adenoma, Pick's tubular, unspecified site, male[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Adenoma, rete cell[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Adenoma, Sertoli cell, unspecified site, male[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Adenoma, testicular, unspecified site, male[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Adenoma, tubular, Pick's, unspecified site, male[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Androblastoma, benign, unspecified site, male[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Androblastoma, tubular, unspecified site, male[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • Androblastoma, tubular, with lipid storage, unspecified site, male[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2027
  • and 10 more

Nearest codes (13)

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.

Indexed Clinical Terms (18)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

Neoplasm Table Sites (7)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.

  • Neoplasm, neoplastic, testis, testes — Benign
  • Neoplasm, neoplastic, testis, testes, descended — Benign
  • Neoplasm, neoplastic, testis, testes, ectopic — Benign
  • Neoplasm, neoplastic, testis, testes, retained — Benign
  • Neoplasm, neoplastic, testis, testes, scrotal — Benign
  • Neoplasm, neoplastic, testis, testes, undescended — Benign
  • Neoplasm, neoplastic, testis, testes, unspecified whether descended or undescended — Benign

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
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. "D29.20 — Benign neoplasm of unspecified testis." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/d29.20-benign-neoplasm-of-unspecified-testis

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Benign neoplasm of unspecified testis

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 D29.20 in its code family, with their registry titles.

View all codes in the D29 family