QA1.79Non-billable
Other inherited neoplasm predisposition syndrome of multiple systems
Congenital Malformations, Deformations and Chromosomal Abnormalities·Inherited neoplasm predisposition syndromes involving multiple systems, not elsewhere classified·subcategory·FY 2027
4 billable codes under QA1.79: none are a CC or MCC; none map to an HCC.
Instructional notes
Also applies, from QA1: Genetic disorders associated with neoplasms, not elsewhere classified
These notes sit on QA1 and apply to every code under it, including QA1.79.
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 QA1.79
QA1.79 can't be used on a claim. Pick a billable code below; grey headings group them.
MS-DRGs
As the principal diagnosis, all 4 billable codes under QA1.79 group to these MS-DRGs (v44.0).