G9511 HCPCS Level II code: Index event date phq-9 or phq-9m score greater than 9 documented during the twelve month denominator identification period
G9511 is the HCPCS code for “Index event date phq-9 or phq-9m score greater than 9 documented during the twelve month denominator identification period” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9511Index event date phq-9 or phq-9m score greater than 9 documented during the twelve month denominator identification period
Short description: Idx evt dte phq>9 doc 12 mo
HCPCS · United States
Medicare details
The indicators CMS publishes with G9511 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2016
Where G9511 sits
- 1G codesProcedures and professional services
- 2Active code G9511Index event date phq-9 or phq-9m score greater than 9 documented during the twelve month denominator identification period
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G9511 mean?
G9511 is the HCPCS code for “Index event date phq-9 or phq-9m score greater than 9 documented during the twelve month denominator identification period” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9511?
CMS lists G9511’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside G9511
All G codesG9505Antibiotic regimen prescribed within 10 days after onset of symptoms for documented medical reasonG9506Biologic immune response modifier prescribedG9507Documentation that the patient is on a statin medication or has documentation of a valid contraindication or exception to statin medications; contraindications/exceptions that…G9508Documentation that the patient is not on a statin medicationG9509Adult patients 18 years of age or older with major depression or dysthymia who reached remission at twelve months as demonstrated by a twelve month (+/-60 days) phq-9 or phq-9m…G9510Adult patients 18 years of age or older with major depression or dysthymia who did not reach remission at twelve months as demonstrated by a twelve month (+/-60 days) phq-9 or…G9512Individual had a pdc of 0.8 or greaterG9513Individual did not have a pdc of 0.8 or greaterG9514Patient required a return to the operating room within 90 days of surgeryG9515Patient did not require a return to the operating room within 90 days of surgeryG9516Patient achieved an improvement in visual acuity, from their preoperative level, within 90 days of surgeryG9517Patient did not achieve an improvement in visual acuity, from their preoperative level, within 90 days of surgery, reason not given