Z82.79 Family history of other congenital malformations, deformations and chromosomal abnormalities

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applies from Z82.7 Family history of congenital malformations, deformations and chromosomal abnormalities

Applicable to

• Conditions classifiable to Q00-Q99

MS-DRG index

Defines the logic of DRG(s) 951 in MDC 23.

Approximate ICD-9-CM (GEMs)

• V19.5 Family history of congenital anomalies

Medicare Code Edits (MCE v43.1 (April 2026))

• Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.

Code annotations containing back-references to Z82.79

Back-references to Z82

• Use Additional: Z15 Genetic susceptibility to disease ("code, if applicable, for any associated family history of the disease (Z80-Z84)")

Diagnosis Index entries for Z82.79

• History › family (of) › chromosomal anomaly
• History › family (of) › congenital malformations and deformations

Nearby codes

• Z82.61 Family history of arthritis
• Z82.62 Family history of osteoporosis
• Z82.69 Family history of other diseases of the musculoskeletal system and connective tissue
• Z82.7 Family history of congenital malformations, deformations and chromosomal abnormalities
• Z82.71 Family history of polycystic kidney
• Z82.79 Family history of other congenital malformations, deformations and chromosomal abnormalities (this code)
• Z82.8 Family history of other disabilities and chronic diseases leading to disablement, not elsewhere classified