G93.5 – Compression of brain
ICD-10-CM 2027 diagnosis code · Other disorders of the nervous system
ICD-10-CM code
G93.5
- Code
G93.5(claims format:G935)- Description
- Compression of brain
- 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
- G93
Notes for G93.5
Applicable to:
- Arnold-Chiari type 1 compression of brain
- Compression of brain (stem)
- Herniation of brain (stem)
- Midline shift of brain
Excludes1 (not coded here):
- traumatic compression of brain (S06.A-)
Index terms for G93.5
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Pressure, brain
- Herniation, brain
- Compression, brain
- Herniation, cerebral
- Shift, midline, brain
- Syndrome, foramen magnum
- Pressure, cone, tentorial
- Malformation, Chiari, Type I
- Chiari's, malformation, type I
- Hernia, hernial, foramen magnum
- Herniation, brain, nontraumatic
- Compression, brain, nontraumatic
- Herniation, cerebral, nontraumatic
- Syndrome, posterior, fossa compression
Related codes in G93
- G93.0 – Cerebral cystsBillable
- G93.1 – Anoxic brain damage, not elsewhere classifiedBillable
- G93.2 – Benign intracranial hypertensionBillable
- G93.3 – Postviral and related fatigue syndromesHeader
- G93.4 – Other and unspecified encephalopathyHeader
- G93.6 – Cerebral edemaBillable
- G93.7 – Reye's syndromeBillable
- G93.8 – Other specified disorders of brainHeader
- G93.9 – Disorder of brain, unspecifiedBillable
Frequently asked questions
What is ICD-10 code G93.5?
G93.5 is the ICD-10-CM code for compression of brain, in the block G89-G99 (Other disorders of the nervous system).
Is G93.5 a billable code?
Yes. G93.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does G93.5 belong to?
It belongs to category G93 – Other disorders of brain.
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.