MCMCB Pro
G8400

G8400Patient with central dual-energy x-ray absorptiometry (dxa) results not documented, reason not given

HCPCSActiveBETOS M5D

G8400 is a HCPCS Level II code for patient with central dual-energy x-ray absorptiometry (dxa) results not documented, reason not given. It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.

Medicare coverage: Carrier judgment

Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.

Physician fee schedule statusM

Measurement code. Used for reporting purposes only; never paid.

Global period: XXX

Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.

The CMS record for G8400

Long descriptor
Patient with central dual-energy x-ray absorptiometry (dxa) results not documented, reason not given

The official wording. This is what the code means.

Short descriptor
Pt w/dxa no results doc

CMS's 28-character form, which is what shows up on a remittance advice.

Added
January 1, 2008

When CMS introduced the code.

BETOS
M5D

Berenson-Eggers Type of Service — CMS's own analytic grouping.

Pricing indicator
00 — Not priced by Part B

Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.

Codes adjacent to G8400

HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G8400 is not quite right, the correct code is very often within a few positions of it.

  • G8126Patient with a diagnosis of major depression documented as being treated with antidepressant medication during the entire 84 day (12 week) acute treatment phaseterminated
  • G8127Patient with a diagnosis of major depression not documented as being treated with antidepressant medication during the entire 84 day (12 week) acute treatment phaseterminated
  • G8128Clinician documented that patient was not an eligible candidate for antidepressant medication during the entire 12 week acute treatment phase measureterminated
  • G8395Left ventricular ejection fraction (lvef) >= 40% or documentation as normal or mildly depressed left ventricular systolic function
  • G8396Left ventricular ejection fraction (lvef) not performed or documented
  • G8397Dilated macular or fundus exam performed, including documentation of the presence or absence of macular edema and level of severity of retinopathy
  • G8398Dilated macular or fundus exam not performedterminated
  • G8399Patient with documented results of a central dual-energy x-ray absorptiometry (dxa) ever being performed
  • G8401Clinician documented that patient was not an eligible candidate for screeningterminated
  • G8404Lower extremity neurological exam performed and documented
  • G8405Lower extremity neurological exam not performed
  • G8406Clinician documented that patient was not an eligible candidate for lower extremity neurological exam measureterminated
  • 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

Questions about G8400

What is HCPCS code G8400?

G8400 is a HCPCS Level II code for patient with central dual-energy x-ray absorptiometry (dxa) results not documented, reason not given. It sits in the Procedures and Professional Services (Temporary) section.

Does Medicare cover G8400?

The CMS HCPCS file marks G8400 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.

How is G8400 paid under the physician fee schedule?

G8400 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.

HCPCS Level II2026Q3-Jul· effective July 1, 2026