Z85.821

Z85.821: Personal history of Merkel cell carcinoma

Billable / specific codeICD-10-CMPOA exempt

Z85.821 is a billable, specific ICD-10-CM code for personal history of merkel cell carcinoma. It is valid for submission on a claim.

Check Z85.821 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Conditions classifiable to C4A

Excludes2 inherited from the categories above Z85.821

Not part of this code, but both may be coded when both are present.

Written on Z85: Personal history of malignant neoplasm

personal history of benign neoplasm (Z86.01-)
personal history of carcinoma-in-situ (Z86.00-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z85.821 is named in 15 Medicare coverage policies: 15 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52479Oral Anticancer Drugs - Policy Article
A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
A55336Billing and Coding: Retroperitoneal Ultrasound
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax

Alphabetic index entries that lead here

History›personal›Merkel cell carcinoma(skin)
History›personal›malignant neoplasm›Merkel cell
History›personal›malignant neoplasm›skin NEC›Merkel cell

Code history

Unchanged in every release from FY2024 to FY2027.