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ICD-10-CM Codes G00-G99 G40-G47 G45 G45.9
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2025 TAI ICD 10 Code G45.9

Effective Date: 10/01/2015 To 09/30/2025

Transient cerebral ischemic attack, unspecified

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
-- -- -- Adult -- -- Acute No
Applicable To for G45.9:

  • Spasm of cerebral artery

  • TIA

  • Transient cerebral ischemia NOS

Back-references to G45.9
  • Angiospasm(peripheral) (traumatic) (vessel) see also Vasospasm I73.9
    • cerebral G45.9
    • Attack, attacks
      • transient ischemic(TIA) G45.9
      • Claudication(intermittent) I73.9
        • cerebral(artery) G45.9
        • Disease, diseased see also Syndrome
          • angiospastic I73.9
            • cerebral G45.9
          • Ischemia, ischemic I99.8
            • cerebral(chronic) (generalized) I67.82
              • intermittent G45.9
                • transient G45.9
              • Spasm(s), spastic, spasticity see also condition R25.2
                • artery I73.9
                  • cerebral G45.9
                  • cerebral(arteries) (vascular) G45.9
                    • Related Medications for G45.9

                    • acetylsalicylic acid, warfarin

                    Chapter, Section and Diagnosis Prefix for G45.9
                      G00-G99 :

                      Diseases of the nervous system

                      G40-G47 :

                      Episodic and paroxysmal disorders

                      G45 :

                      Transient cerebral ischemic attacks and related syndromes

                    What is a TIA ICD 10?

                    ICD 10 for TIA is G45.9, and it is a short period of stroke-like symptoms which is caused by a temporary blocking of the blood flow to the human brain. Also known as a mini-stroke, a TIA ICD 10 typically lasts only a few minutes to an hour maximum and does not cause permanent damage. It serves as a warning sign for the risk of future strokes. Symptoms happen suddenly and may include weakness, body numbness, or the paralysis in the face, the other parts like arm, or leg, typically on one side of the body. Other symptoms can be slurred speech, trouble in understanding others, eye blindness in one or both eyes, or double vision.

                    Why is Transient Ischemic Attack ICD 10 (Code: G45.9) Happening?

                    TAI ICD 10 can occur due to:

                    • Blood Clots:

                      Temporary blockage in a blood vessel leading to the brain.

                    • Atherosclerosis:

                      Fatty deposits narrowing/plaque in the arteries.

                    Treatment Options for Transient Cerebral Ischemia ICD 10 or TIA ICD 10

                    • Medications:

                      Anti-platelet drugs, and anticoagulants to prevent clot formation.

                    • Surgery:

                      Carotid endarterectomy to remove blockages in the carotid artery.

                    Diagnostics for Transient Cerebral Ischemia ICD 10 or TIA ICD 10

                    • Imaging Tests:

                      CT or CTA scan, MRI, carotid ultrasound to detect blockages or brain changes.

                    • Echocardiography, Arteriography.

                    Transient Cerebral Ischemic Attack ICD 10 Symptoms

                    • Sudden weakness or numbness, especially on one side.
                    • Difficulty speaking or understanding speech.
                    • Vision problems.
                    • Dizziness or loss of coordination.