ICD-10-CM · G45.9
ICD-10 G45.9: Transient cerebral ischemic attack, unspecified
TIA NOS.
Code
G45.9
Category
Diseases of the nervous system (G00-G99)
Clinical context
TIA NOS.
Documentation requirements
- Symptoms + workup
Common related procedures
- MRI
- Carotid
Common payer denial patterns
- TIA workup
Frequently asked questions
What does ICD-10 G45.9 mean?
Transient cerebral ischemic attack, unspecified
When is this code documented?
TIA NOS.
What documentation supports this code?
Symptoms + workup.
What are common denials associated with this diagnosis?
TIA workup.
Related diagnoses
- G20 — Parkinson's disease
- G30.9 — Alzheimer's disease, unspecified
- G35 — Multiple sclerosis
- G40.909 — Epilepsy, unspecified, not intractable, without status epilepticus
- G43.909 — Migraine, unspecified, not intractable, without status migrainosus
- G44.209 — Tension-type headache, unspecified, not intractable
Sources
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