ICD-10-CM Q02 is the diagnosis code for Microcephaly. This code falls under the section "Congenital malformations of the nervous system" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as Q02. They are mutually exclusive:
Understanding where Q02 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Q02 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Q02 is the ICD-10-CM diagnosis code for "Microcephaly". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Q02 is located in Section Q00-Q07 — "Congenital malformations of the nervous system" within Chapter 17 of the ICD-10-CM Tabular List.
Use Q02 when the patients documented diagnosis matches "Microcephaly" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Microcephaly is Q02.
Yes, Q02 can be used as a primary diagnosis code since it is billable and specific.
Q02 is in Chapter 17 of the ICD-10-CM Tabular List.
Type 1 Excludes for Q02 include: Meckel-Gruber syndrome (Q61.9).
Yes, Q02 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.