HCPCS Level II · Procedures and professional services (temporary)
G8601Iv thrombolytic therapy not initiated within 4.5 hours (<= 270 minutes) of time last known well for reasons documented by clinician (e.g. patient enrolled in clinical trial for stroke, patient admitted for elective carotid intervention)
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G8601
G8601 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing iv thrombolytic therapy not initiated within 4.5 hours (<= 270 minutes) of time last known well for reasons documented by clinician (e.g. patient enrolled in clinical trial for stroke, patient admitted for elective carotid intervention).
It was added to HCPCS effective 01/01/2010, and its current record took effect 01/01/2024.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- No elig tpa init w/in 4.5 hr
- Date added
- 01/01/2010
- Action effective
- 01/01/2024
- BETOS
- M5D
Related G86xx codes
- G8600Iv thrombolytic therapy initiated within 4.5 hours (<= 270 minutes) of time last known well
- G8602Iv thrombolytic therapy not initiated within 4.5 hours (<= 270 minutes) of time last known well, reason not given
- G8633Pharmacologic therapy (other than minerals/vitamins) for osteoporosis prescribed
- G8635Pharmacologic therapy for osteoporosis was not prescribed, reason not given
- G8647Residual score for the knee impairment successfully calculated and the score was equal to zero (0) or greater than zero (> 0)
- G8648Residual score for the knee impairment successfully calculated and the score was less than zero (< 0)
- G8650Residual score for the knee impairment not measured because the patient did not complete the lepf prom at initial evaluation and/or near discharge, reason not given
- G8651Residual score for the hip impairment successfully calculated and the score was equal to zero (0) or greater than zero (> 0)
- G8652Residual score for the hip impairment successfully calculated and the score was less than zero (< 0)
- G8654Residual score for the hip impairment not measured because the patient did not complete the lepf prom at initial evaluation and/or near discharge, reason not given
- G8655Residual score for the lower leg, foot or ankle impairment successfully calculated and the score was equal to zero (0) or greater than zero ( > 0)
- G8656Residual score for the lower leg, foot or ankle impairment successfully calculated and the score was less than zero (< 0)
Common questions about G8601
Is HCPCS G8601 still valid?
- Yes. G8601 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G8601?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.