ICD-10-CM chapter 17 · Q00-QA1
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
About chapter 17
Chapter 17 (Q00-QA1) contains 89 categories and 900 billable codes for FY2027. This year's update added 9 and deleted 0 codes here. 49 codes are MCCs and 245 are CCs when reported as secondary diagnoses.
12 code blocks
- Q00-Q07Congenital malformations of the nervous system8 categories
- Q10-Q18Congenital malformations of eye, ear, face and neck9 categories
- Q20-Q28Congenital malformations of the circulatory system9 categories
- Q30-Q34Congenital malformations of the respiratory system5 categories
- Q35-Q37Cleft lip and cleft palate3 categories
- Q38-Q45Other congenital malformations of the digestive system8 categories
- Q50-Q56Congenital malformations of genital organs7 categories
- Q60-Q64Congenital malformations of the urinary system5 categories
- Q65-Q79Congenital malformations and deformations of the musculoskeletal system15 categories
- Q80-Q89Other congenital malformations9 categories
- Q90-Q99Chromosomal abnormalities, not elsewhere classified9 categories
- QA0-QA1Genetic disorders, not elsewhere classified2 categories