QA1Non-billable
Genetic disorders associated with neoplasms, not elsewhere classified
Congenital Malformations, Deformations and Chromosomal Abnormalities·Genetic disorders, not elsewhere classified (QA0-QA1)·category·FY 2027
5 billable codes under QA1: none are a CC or MCC; none map to an HCC.
Instructional notes
Excludes2: not included here, code separately if applicable
- multiple endocrine neoplasia [MEN] syndromes (E31.2-)
Code also: add a code for this too, order depends on the encounter
- if applicable, any associated conditions, such as:
- genetic susceptibility to malignant neoplasm by site (Z15.0-)
- malignant neoplasms (C00.0-C96.9)
- personal history of malignant neoplasm (Z85.-)
All codes under QA1
QA1 can't be used on a claim. Pick a billable code below; grey headings group them.
- QA1.7Inherited neoplasm predisposition syndromes involving multiple systems, not elsewhere classified
- QA1.71Lynch syndrome
- QA1.79Other inherited neoplasm predisposition syndrome of multiple systems
- QA1.790Familial cancer syndrome with pathogenic BRCA1 mutation
- QA1.791Familial cancer syndrome with pathogenic BRCA2 mutation
- QA1.792Li Fraumeni syndrome
- QA1.798Other inherited neoplasm predisposition syndrome of multiple systems
MS-DRGs
As the principal diagnosis, all 5 billable codes under QA1 group to these MS-DRGs (v44.0).