D03.20 — Melanoma in situ of unspecified ear and external auricular canal
Is D03.20 billable?
Yes, but D03.20 is an unspecified code. D03.20 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, D03.20 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting D03.20 — the more specific alternatives are listed below.
D03.20 at a glance
| Code | D03.20 |
|---|---|
| Description | Melanoma in situ of unspecified ear and external auricular canal |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does D03.20 group to?
D03.20 sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 595Major Skin Disorders with MCCmedical
- 596Major Skin Disorders without MCCmedical
How is D03.20 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under D03.2, the nearest indexed parent of D03.20. Use them to find the family, then select the specific code.
- Melanoma › in situ › auditory canal (malignant)
- Melanoma › in situ › auricle (malignant)
- Melanoma › in situ › auricular canal (malignant)
- Melanoma › in situ › ear (malignant)
- Melanoma › in situ › external meatus (malignant)
- Melanoma › in situ › helix (malignant)
- Melanoma › in situ › pinna (malignant)
How long has D03.20 existed?
D03.20 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.