All ICD10 Codes

Q00-Q07

Non-Billable
ChapterQ00–Q99
Rankblock
Official Description

Congenital malformations of the nervous system (Q00-Q07)

Use a more specific code (1 billable, 7 non-billable)
Q00Anencephaly and similar malformationshas subcodesQ01Encephalocelehas subcodesQ02MicrocephalyQ03Congenital hydrocephalushas subcodesQ04Other congenital malformations of brainhas subcodesQ05Spina bifidahas subcodesQ06Other congenital malformations of spinal cordhas subcodesQ07Other congenital malformations of nervous systemhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • inborn errors of metabolism (E70-E88)

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q00-Q07Congenital malformations of the nervous system (Q00-Q07)Not billable
Q00Anencephaly and similar malformationsSubcodes
Q01EncephaloceleSubcodes
Q02MicrocephalyBillable
Q03Congenital hydrocephalusSubcodes
Q04Other congenital malformations of brainSubcodes
Q05Spina bifidaSubcodes
Q06Other congenital malformations of spinal cordSubcodes
Q07Other congenital malformations of nervous systemSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q00-Q07:

chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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