HCPCS Level II · Procedures and professional services (temporary)
G8421Bmi not documented and no reason is given
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G8421
G8421 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing bmi not documented and no reason is given.
It was added to HCPCS effective 01/01/2008, and its current record took effect 01/01/2014.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Bmi not calculated
- Date added
- 01/01/2008
- Action effective
- 01/01/2014
- BETOS
- M5D
Related G84xx codes
- G8400Patient with central dual-energy x-ray absorptiometry (dxa) results not documented, reason not given
- G8404Lower extremity neurological exam performed and documented
- G8405Lower extremity neurological exam not performed
- G8410Footwear evaluation performed and documented
- G8415Footwear evaluation was not performed
- G8416Clinician documented that patient was not an eligible candidate for footwear evaluation measure
- G8417Bmi is documented above normal parameters and a follow-up plan is documented
- G8418Bmi is documented below normal parameters and a follow-up plan is documented
- G8419Bmi documented outside normal parameters, no follow-up plan documented, no reason given
- G8420Bmi is documented within normal parameters and no follow-up plan is required
- G8427Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications
- G8428Current list of medications not documented as obtained, updated, or reviewed by the eligible clinician, reason not given
Common questions about G8421
Is HCPCS G8421 still valid?
- Yes. G8421 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G8421?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.