G08 – Intracranial and intraspinal phlebitis and thrombophlebitis
ICD-10-CM 2027 diagnosis code · Inflammatory diseases of the central nervous system
ICD-10-CM code
G08
- Code
G08(claims format:G08)- Description
- Intracranial and intraspinal phlebitis and thrombophlebitis
- 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
- G00-G09 Inflammatory diseases of the central nervous system
Notes for G08
Applicable to:
- Septic embolism of intracranial or intraspinal venous sinuses and veins
- Septic endophlebitis of intracranial or intraspinal venous sinuses and veins
- Septic phlebitis of intracranial or intraspinal venous sinuses and veins
- Septic thrombophlebitis of intracranial or intraspinal venous sinuses and veins
- Septic thrombosis of intracranial or intraspinal venous sinuses and veins
Excludes1 (not coded here):
Excludes2 (not included here):
- intracranial phlebitis and thrombophlebitis complicating nonpyogenic intraspinal phlebitis and thrombophlebitis (G95.1)
Index terms for G08
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Embolism, venous sinus
- Phlebitis, intracranial
- Thrombophlebitis, sinus
- Thrombophlebitis, lateral
- Thrombophlebitis, cerebral
- Thrombophlebitis, cavernous
- Thrombophlebitis, longitudinal
- Embolism, intracranial, venous sinus
- Thrombophlebitis, intracranial venous sinus
- Embolism, intraspinal venous sinuses or veins
- Phlebitis, intraspinal venous sinuses and veins
- Thrombophlebitis, intraspinal venous sinuses and veins
- Thrombosis, thrombotic, intraspinal venous sinuses and veins
- Inflammation, inflamed, inflammatory, vein, intracranial or intraspinal
Frequently asked questions
What is ICD-10 code G08?
G08 is the ICD-10-CM code for intracranial and intraspinal phlebitis and thrombophlebitis, in the block G00-G09 (Inflammatory diseases of the central nervous system).
Is G08 a billable code?
Yes. G08 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
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.