Q01
Non-Billable

Encephalocele

Non-Billable / Non-Specific Code

What is Encephalocele?

ICD-10-CM Q01 is the diagnosis code for Encephalocele. 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.

⛔ Excludes1

Coding Guidelines for Q01

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as Q01. They are mutually exclusive:

  • Meckel-Gruber syndrome (Q61.9)

ICD-10-CM Code Hierarchy

Understanding where Q01 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
Q01.0Frontal encephaloceleBillableQ01.1Nasofrontal encephaloceleBillableQ01.2Occipital encephaloceleBillableQ01.8Encephalocele of other sitesBillableQ01.9Encephalocele, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is Q01 a billable ICD-10-CM code?

No, Q01 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does Q01 mean?

Q01 is the ICD-10-CM diagnosis code for "Encephalocele". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is Q01 in?

Q01 is located in Section Q00-Q07 — "Congenital malformations of the nervous system" within Chapter 17 of the ICD-10-CM Tabular List.

What are the sub-codes of Q01?

Q01 has 5 sub-code(s) that provide more specific detail: Q01.0, Q01.1, Q01.2, Q01.8, Q01.9.

When should I use Q01?

Use Q01 when the patients documented diagnosis matches "Encephalocele" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Encephalocele?

The ICD-10-CM code for Encephalocele is Q01.

Can Q01 be used for primary diagnosis?

No, Q01 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is Q01 in?

Q01 is in Chapter 17 of the ICD-10-CM Tabular List.

What conditions are excluded from Q01?

Type 1 Excludes for Q01 include: Meckel-Gruber syndrome (Q61.9).

Is Q01 valid for 2026?

Yes, Q01 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousQ00.2IniencephalyNext →Q01.0Frontal encephalocele
Code Details
Q01
Encephalocele
Non-Billable / Non-Specific Code
17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q00-Q07 — Congenital malformations of the nervous system
2026 ICD-10-CM