Q02
BillableMicrocephaly
Q02 is the ICD-10-CM code for Microcephaly. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- Q00-Q99
- Edition
- FY2026
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
What this means — in plain language
MedlinePlus · NIHMost brain malformations begin long before a baby is born. Something damages the developing nervous system or causes it to develop abnormally. Sometimes it's a genetic problem. In other cases, exposure to certain medicines , infections , or radiation during pregnancy interferes with brain development. Parts of the brain may be missing, abnormally small or large, or not fully developed. Treatment depends upon the…
Read more about Brain Malformations at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •hydromicrocephaly
- •micrencephalon
Excludes1 — not coded here
- •Meckel-Gruber syndrome (Q61.9)
Code first
- •, if applicable, congenital Zika virus disease
Frequently asked questions
- What is ICD-10 code Q02?
- Q02 is the ICD-10-CM code for "Microcephaly". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
- Is Q02 a billable code?
- Yes — Q02 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from Q02?
- Excludes1 (not coded here): Meckel-Gruber syndrome (Q61.9).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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