C4A.12 - Merkel cell carcinoma of left eyelid, including canthus

  • Applicable to Merkel cell carcinoma of left eyelid, including canthus
  • The 2025 edition of ICD10-CM C4A.12 became effective on October 1, 2024.
  • This is the American ICD10-CM version of C4A.12 - other international versions of ICD10 C4A.12 may differ.
  • C4A.12 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • C4A.12 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
  • C4A.12 - Merkel cell carcinoma of left eyelid, including canthus
    • C4A.12 - Merkel cell carcinoma of left eyelid, including canthus
    • C4A.121 - Merkel cell carcinoma of left upper eyelid, including canthus
    • C4A.122 - Merkel cell carcinoma of left lower eyelid, including canthus

The following codes above C4A.12 contain annotation back-references that may be applicable to C4A.12:

Chapter: C00-D49 Neoplasms

Section: C43-C44 Melanoma and other malignant neoplasms of skin

Category: C4A Merkel cell carcinoma

canthus icd 10
 
carcinoma icd 10
 
merkel icd 10
 
Non-Billable/Non-Specific Code

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