G9820 – Documentation of a chlamydia screening test with proper follow-up

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

Active code Carrier judgment

HCPCS codeG9820
Long description
Documentation of a chlamydia screening test with proper follow-up
Short description
Doc chlam scr test w/follow
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2017
Last change
January 1, 2017 – No change

Frequently asked questions

What is HCPCS code G9820?

G9820 is a HCPCS Level II code for documentation of a chlamydia screening test with proper follow-up.

Does Medicare cover G9820?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. 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.