Q02

Microcephaly

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 1 never code together

Q02code

Excludes1

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Instructional notes 3

Q02code

Includes

Code first

Index entries leading here 15

Absence (of) (organ or part) (complete or partial)
- skull bone (congenital) Q75.8
  - with
    - microcephaly Q02
Agenesis
- skull (bone) Q75.8
  - with
    - microcephaly Q02
Anomaly, anomalous (congenital) (unspecified type) Q89.9
- bone Q79.9
  - skull Q75.9
    - with
      - microcephaly Q02
- skull Q75.9
  - with
    - microcephaly Q02
Hypoplasia, hypoplastic
- brain Q02
- cephalic Q02
- skull (bone) Q75.8
  - with
    - microcephaly Q02
Nondevelopment
- brain Q02
Undeveloped, undevelopment — see also Hypoplasia
- brain (congenital) Q02
- cerebral (congenital) Q02
Imperfect
- closure (congenital)
  - skull Q75.009
    - with
      - microcephaly Q02
Deformity Q89.9
- skull (acquired) M95.2
  - congenital Q75.8
    - with
      - microcephaly Q02
Distortion (s) (congenital)
- skull bone (s) NEC Q75.8
  - with
    - microcephaly Q02
Hydromicrocephaly Q02
Idiot, idiocy (congenital) F73
- microcephalic Q02
Micrencephalon, micrencephaly Q02
Microcephalus, microcephalic, microcephaly Q02
Microencephalon Q02
Oligoencephalon Q02

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

CMS22HCC72 CMS28HCC182 ESRD21HCC72 ESRD24HCC72 RX08HCC155

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.