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3. Chapter - C00-D49
4. Section - D00-D09
5. Category - D04
6. D04.121

D04.121 - Carcinoma in situ of skin of left upper eyelid, including canthus

• Applicable to Carcinoma in situ of skin of left upper eyelid, including canthus
• The 2025 edition of ICD10-CM D04.121 became effective on October 1, 2024.
• This is the American ICD10-CM version of D04.121 - other international versions of ICD10 D04.121 may differ.
• D04.121 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above D04.121 contain annotation back-references that may be applicable to D04.121:

• Chapter: C00-D49 - Neoplasms
• Section: D00-D09 - In situ neoplasms
• Category: D04 - Carcinoma in situ of skin

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.