Melanoma in situ
In In situ neoplasms (D00-D09), chapter 2: Neoplasms
23 billable codes under D03: none are a CC or MCC; all map to HCC 23 (Prostate, Breast, and Other Cancers and Tumors).An HCC counts toward a Medicare Advantage patient's risk score.
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Instructional notes
Also applies, from In situ neoplasms (D00-D09)
These notes sit on D00-D09 and apply to every code under it, including D03.
Includes: conditions that are coded here
- Bowen's disease
- erythroplasia
- grade III intraepithelial neoplasia
- Queyrat's erythroplasia
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.
- Admission/Encounter for treatment of primary site (page 33)
- Admission/Encounter for treatment of secondary site (page 33)
- Coding and sequencing of complications (page 34)
- Primary malignancy previously excised (page 34)
- Admissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy (page 35)
- Admission/encounter to determine extent of malignancy (page 36)
- Symptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms (page 36)
- Admission/encounter for pain control/management (page 36)
All codes under D03
D03 can't be used on a claim. Pick a billable code below; grey headings group them.
- D03.0Melanoma in situ of lip
- D03.1Melanoma in situ of eyelid, including canthus
- D03.10Melanoma in situ of unspecified eyelid, including canthus
- D03.11Melanoma in situ of right eyelid, including canthus
- D03.111Melanoma in situ of right upper eyelid, including canthus
- D03.112Melanoma in situ of right lower eyelid, including canthus
- D03.12Melanoma in situ of left eyelid, including canthus
- D03.121Melanoma in situ of left upper eyelid, including canthus
- D03.122Melanoma in situ of left lower eyelid, including canthus
- D03.2Melanoma in situ of ear and external auricular canal
- D03.20Melanoma in situ of unspecified ear and external auricular canal
- D03.21Melanoma in situ of right ear and external auricular canal
- D03.22Melanoma in situ of left ear and external auricular canal
- D03.3Melanoma in situ of other and unspecified parts of face
- D03.30Melanoma in situ of unspecified part of face
- D03.39Melanoma in situ of other parts of face
- D03.4Melanoma in situ of scalp and neck
- D03.5Melanoma in situ of trunk
- D03.51Melanoma in situ of anal skin
- D03.52Melanoma in situ of breast (skin) (soft tissue)
- D03.59Melanoma in situ of other part of trunk
- D03.6Melanoma in situ of upper limb, including shoulder
- D03.60Melanoma in situ of unspecified upper limb, including shoulder
- D03.61Melanoma in situ of right upper limb, including shoulder
- D03.62Melanoma in situ of left upper limb, including shoulder
- D03.7Melanoma in situ of lower limb, including hip
- D03.70Melanoma in situ of unspecified lower limb, including hip
- D03.71Melanoma in situ of right lower limb, including hip
- D03.72Melanoma in situ of left lower limb, including hip
- D03.8Melanoma in situ of other sites
- D03.9Melanoma in situ, unspecified
D03 MS-DRGs
As the principal diagnosis, the billable codes under D03 group to MS-DRG 595, 596, 124, or 125 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 595 Major Skin Disorders with MCC (18 of 23 codes)
- DRG 596 Major Skin Disorders without MCC (18 of 23 codes)
- DRG 124 Other Disorders of the Eye with MCC or Thrombolytic Agent (5 of 23 codes)
- DRG 125 Other Disorders of the Eye without MCC (5 of 23 codes)
Other codes that refer to D03
Notes on these codes point to D03.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Melanoma
Melanoma is the most serious type of skin cancer. Often the first sign of melanoma is a change in the size, shape, color, or feel of a mole. Most melanomas have a black or black-blue area. Melanoma may also appear as a new mole. It may be black, abnormal, or "ugly looking."
Read more about melanoma on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.