US · guidance
CMS Pub. 100-04, ch. 18, § 70.1.1
HCPCS and Diagnosis Coding
The following HCPCS codes should be reported when billing for screening glaucoma services:
G0117 - Glaucoma screening for high-risk patients furnished by an optometrist (physician for A/B MAC (B))
or ophthalmologist.
G0118 - Glaucoma screening for high-risk patients furnished under the direct supervision of an optometrist
(physician for A/B MAC (B) or ophthalmologist.
The A/B MAC (B) claims type of service for the above G codes is: TOS Q.
Glaucoma screening claims should be billed using screening (“V”) code V80.1 (Special Screening for Neurological,
Eye, and Ear Diseases, Glaucoma), or if ICD-10-CM is applicable, diagnosis code Z13.5 (encounter for screening for
eye and ear disorders). Claims submitted without a screening diagnosis code may be returned to the provider as
unprocessable (refer to chapter 1 of this manual for more information about incomplete or invalid claims).
History
(Rev. 3329, Issued: 08-14-15, Effective: 01-01-12, Implementation: 09-14-15)
Provenance
- Source
- cms.gov
- Retrieved
- 2026-08-25
- Edition
- iom-2026-08-25
- Content hash
1598b19686f7afabb3d7b21f8f27ce257cb010546c2b9df6ea68a5ff5aafb565
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