Skip to content
HCC Buddy home

D04.22

Billable

Carcinoma in situ of skin of left ear and external auricular canal

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Early stage squamous cell cancer (non-melanoma) found on the skin of the left ear or ear canal that has not yet invaded deeper layers.

Coding Tips

  • •This code is specific to the left ear; confirm left side is documented in the medical record
  • •Distinguish between right ear (D04.21) and left ear (D04.22) based on provider documentation

Code Hierarchy

└D04Carcinoma in situ of skin└D04.2Carcinoma in situ of skin of ear and external auricular canal└D04.22Carcinoma in situ of skin of left ear and external auricular canal
└D04.22Carcinoma in situ of skin of left ear and external auricular canal

Open D04.22 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial