G96.01 – Cranial cerebrospinal fluid leak, spontaneous

ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system

Billable code

ICD-10-CM code G96.01

Code: G96.01 (claims format: G9601)
Description: Cranial cerebrospinal fluid leak, spontaneous
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 6. Diseases of the nervous system (G00-G99)
Block: G89-G99 Other disorders of the nervous system
Parent codes: G96 › G96.0

Notes for G96.01

Applicable to:

Otorrhea due to spontaneous cerebrospinal fluid CSF leak
Rhinorrhea due to spontaneous cerebrospinal fluid CSF leak
Spontaneous cerebrospinal fluid leak from skull base

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

G96.0 – Cerebrospinal fluid leak

Excludes1 (not coded here):

cerebrospinal fluid leak from spinal puncture (G97.0)

Code also:

if applicable:
intracranial hypotension (G96.81-)

Index terms for G96.01

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in G96.0

Frequently asked questions

What is ICD-10 code G96.01?

G96.01 is the ICD-10-CM code for cranial cerebrospinal fluid leak, spontaneous, in the block G89-G99 (Other disorders of the nervous system).

Is G96.01 a billable code?

Yes. G96.01 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G96.01 belong to?

It belongs to category G96 – Other disorders of central nervous system.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.