G8418 HCPCS Level II code: Bmi is documented below normal parameters and a follow-up plan is documented
G8418 is the HCPCS code for “Bmi is documented below normal parameters and a follow-up plan is documented” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G8418Bmi is documented below normal parameters and a follow-up plan is documented
Short description: Calc bmi blw low param f/u
HCPCS · United States
Medicare details
The indicators CMS publishes with G8418 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 - other
- Added
- Jan 1, 2008
Where G8418 sits
- 1G codesProcedures and professional services
- 2Active code G8418Bmi is documented below normal parameters and a follow-up plan is documented
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 G8418 mean?
G8418 is the HCPCS code for “Bmi is documented below normal parameters and a follow-up plan is documented” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G8418?
CMS lists G8418’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 G8418
All G codesG8405Lower extremity neurological exam not performedG8406Clinician documented that patient was not an eligible candidate for lower extremity neurological exam measureG8410Footwear evaluation performed and documentedG8415Footwear evaluation was not performedG8416Clinician documented that patient was not an eligible candidate for footwear evaluation measureG8417Bmi is documented above normal parameters and a follow-up plan is documentedG8419Bmi documented outside normal parameters, no follow-up plan documented, no reason givenG8420Bmi is documented within normal parameters and no follow-up plan is requiredG8421Bmi not documented and no reason is givenG8422Bmi not documented, documentation the patient is not eligible for bmi calculationG8427Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medicationsG8428Current list of medications not documented as obtained, updated, or reviewed by the eligible clinician, reason not given