Q85.81
PTEN hamartoma tumor syndrome
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
CMS-HCC V28
HCC23
Prostate, Breast, and Other Cancers and Tumors
CMS-HCC ESRD V24
HCC12
Breast, Prostate, and Other Cancers and Tumors
RxHCC V08
RXHCC22
Prostate, Breast, Bladder, and Other Cancers and Tumors
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · Q85.81
Code also
, if applicable, genetic susceptibility to malignant neoplasm (Z15.0-)
Synonyms
PHTS PTEN related Cowden syndrome
Inherited from Q85.8Other phakomatoses, not elsewhere classified
Excludes 1
Meckel-Gruber syndrome (Q61.9)
Inherited from Q85Phakomatoses, not elsewhere classified
Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2
inborn errors of metabolism (E70-E88)
Note
Codes from this chapter are not for use on maternal records
Official Guidelines for Q85.81
FY 2026 ›Sections that reference Q85.81
Sections whose FY 2026 text names Q85.81, its Q85 category, or a range containing it — the chapter guidance above is the authoritative source.
Find Q85.81 in the alphabetic index
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