C4A.20 - Merkel cell carcinoma of unspecified ear and external auricular canal
The ICD 10 Code for Merkel cell carcinoma of unspecified ear and external auricular canal is listed as C4A.20.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.
| ICD 10 CM Field | Value |
|---|---|
| Diagnosis Code: | C4A.20
|
| Description: | Merkel cell carcinoma of unspecified ear and external auricular canal |
| Diagnostic Related Groups
(MS-DRG v30.0) |
595 - Major Skin Disorders W Mcc
596 - Major Skin Disorders W/o Mcc |
| Chapter | Neoplasms (C00-D49) |
| Parent | C4A.2 - Merkel cell carcinoma of ear and external auricular canal |
| ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS): | |
| ICD 9 Dx Code: | 209.31 - Merkel cell carcinoma of the face (approximate) |
| ICD-10-CM Siblings (same level / similar specificity) of C4A.20: | |
| C4A.21 - Merkel cell carcinoma of right ear and external auricular canal | |
| C4A.22 - Merkel cell carcinoma of left ear and external auricular canal | |