G8421 Bmi not documented and no reason is given

Short descriptor: Bmi not calculated

✓ Active HCPCS Level II 2026
Open G8421 in the app →

Look up G8421 alongside ICD-10-CM diagnoses, the HCPCS Table of Drugs, and the AI coding assistant.

G8421 is the HCPCS Level II code for Bmi not documented and no reason is given (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Not separately priced by Part B.

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Not separately priced by Part B (indicator 00)
Type of Service
Medical care
Effective Date
2014-01-01
2026 Maintenance
No change this year

References

Cite This Page

Reference G8421 with the canonical source and edition:

G8421 — Bmi not documented and no reason is given. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G8421

Canonical URL: https://icd10codingpro.com/hcpcs-codes/G8421

Related Codes in Section G

Browse all HCPCS Level II sections →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial