All ICD10 Codes

C4A.121

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Merkel cell carcinoma of left upper eyelid, including canthus

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C43-C44Melanoma and other malignant neoplasms of skin (C43-C44)
C4AMerkel cell carcinoma
C4A.1Merkel cell carcinoma of eyelid, including canthus
C4A.12Merkel cell carcinoma of left eyelid, including canthus
C4A.121Merkel cell carcinoma of left upper eyelid, including canthusBillable

Code History

  • FY 2018: This code replaced C4A.12 (Merkel cell carcinoma of left eyelid, including canthus)

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 595
Major Skin Disorders with MCC
DRG 596
Major Skin Disorders without MCC

Cross Reference

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