ICD-10-CM Q05 is the diagnosis code for Spina bifida. 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 Q05. They are mutually exclusive:
Understanding where Q05 sits in the ICD-10-CM classification helps ensure proper coding:
No, Q05 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Q05 is the ICD-10-CM diagnosis code for "Spina bifida". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Q05 is located in Section Q00-Q07 — "Congenital malformations of the nervous system" within Chapter 17 of the ICD-10-CM Tabular List.
Q05 has 10 sub-code(s) that provide more specific detail: Q05.0, Q05.1, Q05.2, Q05.3, Q05.4 and more.
Use Q05 when the patients documented diagnosis matches "Spina bifida" 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 Spina bifida is Q05.
No, Q05 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Q05 is in Chapter 17 of the ICD-10-CM Tabular List.
Type 1 Excludes for Q05 include: Arnold-Chiari syndrome, type II (Q07.0-); spina bifida occulta (Q76.0).
Yes, Q05 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.