G8648 HCPCS Level II code: Residual score for the knee impairment successfully calculated and the score was less than zero (< 0)
G8648 is the HCPCS code for “Residual score for the knee impairment successfully calculated and the score was less than zero (< 0)” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G8648Residual score for the knee impairment successfully calculated and the score was less than zero (< 0)
Short description: Rafscrs ki scor < 0
HCPCS · United States
Medicare details
The indicators CMS publishes with G8648 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Specialist - psychiatry
- Added
- Jan 1, 2011
Where G8648 sits
- 1G codesProcedures and professional services
- 2Active code G8648Residual score for the knee impairment successfully calculated and the score was less than zero (< 0)
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G8648 mean?
G8648 is the HCPCS code for “Residual score for the knee impairment successfully calculated and the score was less than zero (< 0)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G8648?
CMS lists G8648’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G8648
All G codesG8633Pharmacologic therapy (other than minerals/vitamins) for osteoporosis prescribedG8634Clinician documented patient not an eligible candidate to receive pharmacologic therapy for osteoporosisG8635Pharmacologic therapy for osteoporosis was not prescribed, reason not givenG8645I intend to report the asthma measures groupG8646All quality actions for the applicable measures in the asthma measures group have been performed for this patientG8647Residual score for the knee impairment successfully calculated and the score was equal to zero (0) or greater 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…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 givenG8651Residual 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…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