C44.219 ICD-10-CM Code: Basal cell carcinoma of skin of left ear and external auricular canal
C44.219 is not a CMS-HCC payment code. MEAT criteria · RAF Calculator · HCC coding software
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FY 2026 Apr update / Neoplasms (C00-D49) / Melanoma and other malignant neoplasms of skin (C43-C44)
C44.219
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceBasal cell carcinoma of skin of left ear and external auricular canal
Basal cell carcinoma, the most common type of skin cancer, occurring specifically on the left ear or external ear canal.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
HistoricalHistorical
Not used for CY2026 payment
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialNo inclusion terms are included in this display for C44.219. Check the code and parent instructions in the Code Book.
Excludes 2
OfficialNo Excludes 2 notes are included in this display for C44.219. Check the code and parent instructions in the Code Book.
Related Codes
Includes
Official- malignant neoplasm of sebaceous glandsInherited from C44
- malignant neoplasm of sweat glandsInherited from C44
Excludes 1
Official- Kaposi's sarcoma of skin (C46.0)Inherited from C44, C44.2
- malignant melanoma of skin (C43.-)Inherited from C44, C44.2
- malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)Inherited from C44, C44.2
- Merkel cell carcinoma (C4A.-)Inherited from C44, C44.2
- connective tissue of ear (C49.0)Inherited from C44, C44.2
Code First
OfficialNo Code First sequencing instructions are included in this display for C44.219. Check the code and parent instructions in the Code Book.
Use Additional
OfficialNo Use Additional Code instructions are included in this display for C44.219. Check the code and parent instructions in the Code Book.
Code Also
OfficialNo Code Also instructions are included in this display for C44.219. Check the code and parent instructions in the Code Book.
Buddy Documentation Tip
Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →
Is C44.219 an HCC code?
No. C44.219 is a billable ICD-10-CM code with no mapping under the current CMS-HCC V28 community payment model, and none under the ESRD, Part D RxHCC, or HHS-HCC models.
- Code
- C44.219
- Description
- Basal cell carcinoma of skin of left ear and external auricular canal
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF reference coefficient
- —
- Billable
- Yes
- Payment year
- 2026
Coder workflow notes
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What This Code Means
C44.219 is the ICD-10-CM diagnosis code for basal cell carcinoma of skin of left ear and external auricular canal. Basal cell carcinoma, the most common type of skin cancer, occurring specifically on the left ear or external ear canal. C44.219 sits in the ICD-10-CM chapter for neoplasms (c00-d49), within the section covering melanoma and other malignant neoplasms of skin (c43-c44).
C44.219 is a billable ICD-10-CM code, but no current CMS-HCC V28 community payment mapping is shown, and none under the ESRD, Part D RxHCC, or HHS-HCC models. Do not assign risk adjustment value from this page when no source-backed mapping is shown; verify the applicable model and payment year.
Verify left ear laterality is explicitly documented in the pathology report or clinical notes before assigning this code.
HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for C44.219 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Verify left ear laterality is explicitly documented in the pathology report or clinical notes before assigning this code.
- •Distinguish between C44.212 (right) and C44.219 (left) to ensure accurate laterality coding for treatment planning and follow-up.