G0378 – Hospital observation service, per hour

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Special coverage instructions apply

HCPCS codeG0378
Long description
Hospital observation service, per hour
Short description
Hospital observation per hr
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
D Special coverage instructions apply
BETOS category
M2A Hospital visit - initial
Added
January 1, 2006
Last change
January 1, 2006 – No change

Frequently asked questions

What is HCPCS code G0378?

G0378 is a HCPCS Level II code for hospital observation service, per hour.

Does Medicare cover G0378?

The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.