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
Non-Billable/Non-Specific Code
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
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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