Q85.81

PTEN hamartoma tumor syndrome

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 3 never code together

Q85code

Excludes1

ataxia telangiectasia [Louis-Bar] (G11.3)G11.3
familial dysautonomia [Riley-Day] (G90.1)G90.1

Q85.8code

Excludes1

Meckel-Gruber syndrome (Q61.9)Q61.9

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 3

Q85.81code

Inclusion terms

PHTS
PTEN related Cowden syndrome

Code also

, if applicable, genetic susceptibility to malignant neoplasm (Z15.0-)Z15.0-

Index entries leading here 2

Syndrome — see also Disease
- Cowden
  - PTEN related Q85.81
- PTEN (hamartoma) tumor Q85.81
PHTS Q85.81

Alongside this code 3 same parent — Q85.8

Q85.82 Other Cowden syndrome Q85.83 Von Hippel-Lindau syndrome Q85.89 Other phakomatoses, not elsewhere classified

Medications 1

3 Tumor Lysis Syndrome drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

CMS22HCC12 CMS28HCC23 ESRD21HCC12 ESRD24HCC12 RX08HCC22

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: Q85.8
Block: Q80-Q89
Siblings: 3

Present FY2024–FY2027.