HCPCS Level II · Procedures and professional services (temporary)
G8958Assessment of adequacy of volume management not documented, reason not given
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G8958
G8958 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing assessment of adequacy of volume management not documented, reason not given.
It was added to HCPCS effective 01/01/2013.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Assess vol mgmt not doc
- Date added
- 01/01/2013
- Action effective
- 01/01/2013
- BETOS
- M5B
Related G89xx codes
- G8907Patient documented not to have experienced any of the following events: a burn prior to discharge; a fall within the facility; wrong site/side/patient/procedure/implant event; or a hospital transfer or hospital admission upon discharge from the facility
- G8908Patient documented to have received a burn prior to discharge
- G8909Patient documented not to have received a burn prior to discharge
- G8910Patient documented to have experienced a fall within asc
- G8911Patient documented not to have experienced a fall within ambulatory surgical center
- G8912Patient documented to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event
- G8913Patient documented not to have experienced a wrong site, wrong side, wrong patient, wrong procedure or wrong implant event
- G8914Patient documented to have experienced a hospital transfer or hospital admission upon discharge from asc
- G8915Patient documented not to have experienced a hospital transfer or hospital admission upon discharge from asc
- G8916Patient with preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis, antibiotic initiated on time
- G8917Patient with preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis, antibiotic not initiated on time
- G8918Patient without preoperative order for iv antibiotic surgical site infection (ssi) prophylaxis
Common questions about G8958
Is HCPCS G8958 still valid?
- Yes. G8958 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G8958?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.