Skip to content
HCC Buddy home

Z85.850

Billable

Personal history of malignant neoplasm of thyroid

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A patient who previously had cancer of the thyroid gland.

Coding Tips

  • •Document the specific type of thyroid cancer (papillary, follicular, medullary, anaplastic) when available
  • •This code indicates a personal history and is used for follow-up care and surveillance

Code Hierarchy

└Z85Personal history of malignant neoplasm└Z85.8Personal history of malignant neoplasms of other organs and systems└Z85.85Personal history of malignant neoplasm of endocrine glands└Z85.850Personal history of malignant neoplasm of thyroid
└Z85.850Personal history of malignant neoplasm of thyroid

Open Z85.850 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial