G8420 – Bmi is documented within normal parameters and no follow-up plan is required
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG8420
- Long description
- Bmi is documented within normal parameters and no follow-up plan is required
- Short description
- Calc bmi norm parameters
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
M5DSpecialist - other- Added
- January 1, 2008
- Last change
- January 1, 2014 – No change
Frequently asked questions
What is HCPCS code G8420?
G8420 is a HCPCS Level II code for bmi is documented within normal parameters and no follow-up plan is required.
Does Medicare cover G8420?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- G8405 – Lower extremity neurological exam not performed
- G8406 – Clinician documented that patient was not an eligible candidate for lower extremity neurological exam measure
- G8410 – Footwear evaluation performed and documented
- G8415 – Footwear evaluation was not performed
- G8416 – Clinician documented that patient was not an eligible candidate for footwear evaluation measure
- G8417 – Bmi is documented above normal parameters and a follow-up plan is documented
- G8418 – Bmi is documented below normal parameters and a follow-up plan is documented
- G8419 – Bmi documented outside normal parameters, no follow-up plan documented, no reason given
- G8421 – Bmi not documented and no reason is given
- G8422 – Bmi not documented, documentation the patient is not eligible for bmi calculation
- G8427 – Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications
- G8428 – Current list of medications not documented as obtained, updated, or reviewed by the eligible clinician, reason not given
- G8430 – Documentation of a medical reason(s) for not documenting, updating, or reviewing the patient's current medications list (e.g., patient is in an acute health crisis where time is of the essence and delay of treatment would jeopardize the patient's health status)
- G8431 – Screening for depression is documented as being positive and a follow-up plan is documented
- G8432 – Depression screening not documented, reason not given
- G8433 – Screening for depression not completed, documented patient or medical reason
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.