Complete ICD-10-CM coding and documentation guide for icd-10 coding for transient ischemic attack (tia) includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Transient Ischemic Attack (TIA)
Use ICD-10 code G45.9 for transient ischemic attack, unspecified, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Other cerebrovascular diseases
Use for underlying cerebrovascular conditions contributing to TIA.
Essential (primary) hypertension
Use for hypertension contributing to cerebrovascular disease.
The ICD-10 code for a transient ischemic attack is G45.9, used for episodes of neurological dysfunction without acute infarction evidence.
Document the symptom onset, duration, resolution, and imaging results to support the TIA diagnosis. Ensure symptoms resolve within 24 hours without infarction evidence.