Z85.821Billable
Personal history of Merkel cell carcinoma
- Chapter
- 21. Factors influencing health status and contact with health services
- Category
- Z85
- Effective date
- October 1, 2026
Related codes in category Z85
Z85Personal history of malignant neoplasmZ85.0Personal history of malignant neoplasm of digestive organsZ85.00Personal history of malignant neoplasm of unsp dgstv orgYesZ85.01Personal history of malignant neoplasm of esophagusYesZ85.02Personal history of malignant neoplasm of stomachZ85.020Personal history of malignant carcinoid tumor of stomachYesZ85.028Personal history of other malignant neoplasm of stomachYesZ85.03Personal history of malignant neoplasm of large intestineZ85.030Personal history of malignant carcinoid tumor of lg intYesZ85.038Personal history of malignant neoplasm of large intestineYesZ85.04Prsnl hx of malig neoplm of rectum, rectosig junct, and anusZ85.040Personal history of malignant carcinoid tumor of rectumYes
Frequently asked questions
What is ICD-10 code Z85.821?
Z85.821 is an ICD-10-CM diagnosis code for Personal history of Merkel cell carcinoma.
Is Z85.821 a billable code?
Yes. Z85.821 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Z85.821 in?
Z85.821 falls under Chapter 21: Factors influencing health status and contact with health services.
When did Z85.821 become effective?
Z85.821 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Z85.821?
Z85.821 belongs to category Z85, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.