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G8645

G8645I intend to report the asthma measures group

HCPCSTerminatedBETOS M5B

G8645 is a HCPCS Level II code for i intend to report the asthma measures group. It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2016 and is not valid on new claims.

This code has been terminated

CMS terminated G8645 on December 31, 2016. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.

Medicare coverage: Carrier judgment

Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.

The CMS record for G8645

Long descriptor
I intend to report the asthma measures group

The official wording. This is what the code means.

Short descriptor
Asthma measures grp

CMS's 28-character form, which is what shows up on a remittance advice.

Added
January 1, 2011

When CMS introduced the code.

Terminated
December 31, 2016

When CMS retired it.

BETOS
M5B

Berenson-Eggers Type of Service — CMS's own analytic grouping.

Pricing indicator
00 — Not priced by Part B

Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.

Codes adjacent to G8645

HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G8645 is not quite right, the correct code is very often within a few positions of it.

  • G8628Surgical procedure not performed within 30 days following cataract surgery for major complications (e.g., retained nuclear fragments, endophthalmitis, dislocated or wrong power iol, retinal detachment, or wound dehiscence)terminated
  • G8629Documentation of order for prophylactic parenteral antibiotic to be given within one hour (if fluoroquinolone or vancomycin, two hours) prior to surgical incision (or start of procedure when no incision is required)terminated
  • G8630Documentation that administration of prophylactic parenteral antibiotics was initiated within one hour (if fluoroquinolone or vancomycin, two hours) prior to surgical incision (or start of procedure when no incision is required), as orderedterminated
  • G8631Clinician documented that patient was not an eligible candidate for ordering prophylactic parenteral antibiotics to be given within one hour (if fluoroquinolone or vancomycin, two hours) prior to surgical incision (or start of procedure when no incision is required)terminated
  • G8632Prophylactic parenteral antibiotics were not ordered to be given or given within one hour (if fluoroquinolone or vancomycin, two hours) prior to the surgical incision (or start of procedure when no incision is required), reason not giventerminated
  • G8633Pharmacologic therapy (other than minerals/vitamins) for osteoporosis prescribed
  • G8634Clinician documented patient not an eligible candidate to receive pharmacologic therapy for osteoporosisterminated
  • G8635Pharmacologic therapy for osteoporosis was not prescribed, reason not given
  • G8646All quality actions for the applicable measures in the asthma measures group have been performed for this patientterminated
  • 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)
  • G8649Risk-adjusted functional status change residual score for the knee impairment not measured because the patient did not complete the fs status survey near discharge, patient not appropriateterminated
  • 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)
  • G8653Risk-adjusted functional status change residual scores for the hip impairment not measured because the patient did not complete the fs status survey near discharge, patient not appropriateterminated

Questions about G8645

What is HCPCS code G8645?

G8645 is a HCPCS Level II code for i intend to report the asthma measures group. It sits in the Procedures and Professional Services (Temporary) section.

Does Medicare cover G8645?

The CMS HCPCS file marks G8645 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

Is G8645 still valid?

No. G8645 was terminated on December 31, 2016 and should not be used on new claims.

HCPCS Level II2026Q3-Jul· effective July 1, 2026