Q75.3
Q75.3: Macrocephaly
Billable / specific codeICD-10-CMPOA exempt
Q75.3 is a billable, specific ICD-10-CM code for macrocephaly. It is valid for submission on a claim.
Check Q75.3 with the rest of the claim: free scrubberExcludes1 inherited from the categories above Q75.3
A category’s note binds every code beneath it.
Written on Q75: Other congenital malformations of skull and face bones
- congenital malformation of face NOS (Q18.-)
- congenital malformation syndromes classified to Q87.-
- dentofacial anomalies [including malocclusion] (M26.-)
- musculoskeletal deformities of head and face (Q67.0-Q67.4)
- skull defects associated with congenital anomalies of brain such as:
- anencephaly (Q00.0)
- encephalocele (Q01.-)
- hydrocephalus (Q03.-)
- microcephaly (Q02)
Other codes that can never be billed with Q75.3
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Q75.3 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56612Billing and Coding: CT of the Head
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Alphabetic index entries that lead here
- Macrocephalia, macrocephaly
- Megalocephalus, megalocephaly NEC
Code history
Unchanged in every release from FY2024 to FY2027.