Q02

Microcephaly

Billable / specificHCC V28 182POA exempt

Q02 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes

  • hydromicrocephaly
  • micrencephalon
  • Note: Codes from this chapter are not for use on maternal records

Excludes1

Not coded here — never report together with this code.

  • Meckel-Gruber syndrome (Q61.9)

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88)

Code first

Sequence the underlying condition first.

  • , if applicable, congenital Zika virus disease

Also known as

  • Absence, skull bone, with microcephaly
  • Agenesis, skull, with microcephaly
  • Anomaly, anomalous, skull, with microcephaly
  • Distortion, skull boneNEC, with microcephaly
  • Hydromicrocephaly
  • Hypoplasia, hypoplastic, brain
  • Hypoplasia, hypoplastic, cephalic
  • Hypoplasia, hypoplastic, skull, with microcephaly
  • Idiot, idiocy, microcephalic
  • Micrencephalon, micrencephaly
  • Microcephalus, microcephalic, microcephaly
  • Microencephalon
  • Nondevelopment, brain
  • Oligoencephalon
  • Undeveloped, undevelopment, brain

Related codes

  • Q00Anencephaly and similar malformationsHeader
  • Q01EncephaloceleHeader
  • Q03Congenital hydrocephalusHeader
  • Q04Other congenital malformations of brainHeader
  • Q05Spina bifidaHeader
  • Q06Other congenital malformations of spinal cordHeader
  • Q07Other congenital malformations of nervous systemHeader

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