Diagnosis Code

C4A.12 MERKEL CELL CARCINOMA OF LEFT EYELID, INCLUDING CANTHUS

Code Information

Diagnosis Code: C4A.12

Short Description: Merkel cell carcinoma of left eyelid, including canthus

Long Description: Merkel cell carcinoma of left eyelid, including canthus

The code C4A.12 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D48)
    • Melanoma and other malignant neoplasms of skin (C43-C44)
      • Merkel cell carcinoma (C4A)
        • C4A.12 Merkel cell carcinoma of left eyelid, including canthus

Code Version: 2018 ICD-10-CM

Diagnostic Related Group(s)

The code C4A.12 is grouped in the following Diagnostic Related Group(s) (MS-DRG v34.0)
  • Major Skin Disorders With Mcc (595)
  • Major Skin Disorders Without Mcc (596)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C4A.12 Right Arrow 209.31 Merkel cell ca-face
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C4A Merkel cell carcinoma
C4A.0 Merkel cell carcinoma of lip
C4A.1 Merkel cell carcinoma of eyelid, including canthus
C4A.10 Merkel cell carcinoma of unspecified eyelid, including canthus
C4A.11 Merkel cell carcinoma of right eyelid, including canthus
C4A.2 Merkel cell carcinoma of ear and external auricular canal
C4A.20 Merkel cell carcinoma of unspecified ear and external auricular canal
C4A.21 Merkel cell carcinoma of right ear and external auricular canal
C4A.22 Merkel cell carcinoma of left ear and external auricular canal
C4A.3 Merkel cell carcinoma of other and unspecified parts of face
C4A.30 Merkel cell carcinoma of unspecified part of face
C4A.31 Merkel cell carcinoma of nose
C4A.39 Merkel cell carcinoma of other parts of face
C4A.4 Merkel cell carcinoma of scalp and neck
C4A.5 Merkel cell carcinoma of trunk
C4A.51 Merkel cell carcinoma of anal skin
C4A.52 Merkel cell carcinoma of skin of breast
C4A.59 Merkel cell carcinoma of other part of trunk
C4A.6 Merkel cell carcinoma of upper limb, including shoulder
C4A.60 Merkel cell carcinoma of unspecified upper limb, including shoulder
C4A.61 Merkel cell carcinoma of right upper limb, including shoulder
C4A.62 Merkel cell carcinoma of left upper limb, including shoulder
C4A.7 Merkel cell carcinoma of lower limb, including hip
C4A.70 Merkel cell carcinoma of unspecified lower limb, including hip
C4A.71 Merkel cell carcinoma of right lower limb, including hip
C4A.72 Merkel cell carcinoma of left lower limb, including hip
C4A.8 Merkel cell carcinoma of overlapping sites
C4A.9 Merkel cell carcinoma, unspecified

This page was last updated on: 1/1/2018