D03.59 Melanoma in situ of other part of trunk

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Melanoma in situ of other part of trunk is D03.59 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
D00-D09: In situ neoplasms (D00-D09)
Category D03
32 codes (23 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to D03.59:

  • Melanoma (malignant) › in situ › chest wall
  • Melanoma (malignant) › in situ › gluteal region
  • Melanoma (malignant) › in situ › abdominal wall
  • Melanoma (malignant) › in situ › flank
  • Melanoma (malignant) › in situ › axilla, axillary fold
  • Melanoma (malignant) › in situ › buttock
  • Melanoma (malignant) › in situ › back
  • Melanoma (malignant) › in situ › groin

U.S. Hospital Utilization

  • An estimated 55 U.S. inpatient stays in 2023 included D03.59 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

D03 Melanoma in situ

Related Codes in D03

D03 Melanoma in situ D03.0 Melanoma in situ of lip D03.1 Melanoma in situ of eyelid, including canthus D03.10 Melanoma in situ of unspecified eyelid, including canthus D03.11 Melanoma in situ of right eyelid, including canthus D03.111 Melanoma in situ of right upper eyelid, including canthus D03.112 Melanoma in situ of right lower eyelid, including canthus D03.12 Melanoma in situ of left eyelid, including canthus D03.121 Melanoma in situ of left upper eyelid, including canthus D03.122 Melanoma in situ of left lower eyelid, including canthus D03.2 Melanoma in situ of ear and external auricular canal D03.20 Melanoma in situ of unspecified ear and external auricular canal D03.21 Melanoma in situ of right ear and external auricular canal D03.22 Melanoma in situ of left ear and external auricular canal D03.3 Melanoma in situ of other and unspecified parts of face D03.30 Melanoma in situ of unspecified part of face D03.39 Melanoma in situ of other parts of face D03.4 Melanoma in situ of scalp and neck D03.5 Melanoma in situ of trunk D03.51 Melanoma in situ of anal skin
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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