G04.1
✓ Billable
Tropical spastic paraplegia
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G04.1
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code G04.1?
ICD-10-CM code G04.1 represents Tropical spastic paraplegia. It is a billable diagnosis code in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G04.1 billable?
Yes. G04.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is G04.1 in?
G04.1 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G04 category
G04
Encephalitis, myelitis and encephalomyelitis
Non-billable
G04.0
Acute disseminated encephalitis and encephalomyelitis (ADEM)
Non-billable
G04.2
Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
Billable
G04.3
Acute necrotizing hemorrhagic encephalopathy
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G04.8
Other encephalitis, myelitis and encephalomyelitis
Non-billable
G04.9
Encephalitis, myelitis and encephalomyelitis, unspecified
Non-billable
G04.00
Acute disseminated encephalitis and encephalomyelitis, unspecified
Billable
G04.01
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
Billable
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