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

Contextual Map

Every relationship of G9511 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Nearest codes (40)

• G9500 — Radiation exposure indices documented in final report for procedure using fluoroscopy[Sibling]
• G9501 — Radiation exposure indices not documented in final report for procedure using fluoroscopy, reason not given[Sibling]
• G9502 — Documentation of medical reason for not performing foot exam (i.e., patients who have had either a bilateral amputation above or below the knee, or both a left and right amputation above or below the knee before or during the measurement period)[Sibling]
• G9503 — Patient taking tamsulosin hydrochloride[Sibling]
• G9504 — Documented reason for not assessing hepatitis b virus (hbv) status (e.g., patient not initiating anti-tnf therapy, patient declined) prior to initiating anti-tnf therapy[Sibling]
• G9505 — Antibiotic regimen prescribed within 10 days after onset of symptoms for documented medical reason[Sibling]
• G9506 — Biologic immune response modifier prescribed[Sibling]
• G9507 — Documentation that the patient is on a statin medication or has documentation of a valid contraindication or exception to statin medications; contraindications/exceptions that can be defined by diagnosis codes include pregnancy during the measurement period, active liver disease, rhabdomyolysis, end stage renal disease on dialysis and heart failure; provider documented contraindications/exceptions include breastfeeding during the measurement period, woman of child-bearing age not actively taking birth control, allergy to statin, drug interaction (hiv protease inhibitors, nefazodone, cyclosporine, gemfibrozil, and danazol) and intolerance (with supporting documentation of trying a statin at least once within the last 5 years or diagnosis codes for myostitis or toxic myopathy related to drugs)[Sibling]
• and 32 more

Change history

• January 1, 2016 — Added to the code set [Change history]

Sources for this page

Every coding fact on this page is read from the datasets below. Nothing is AI-generated; MedCoder-derived relationships and editorial are labelled where they appear.

Code, descriptors, coverage and pricing attributes

CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update

Change history and date-of-service validity

CMS HCPCS quarterly update files, ingested into the change ledger

Comparisons, relationships and the contextual map MedCoder-derived

Derived by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears

All data sources and release dates

Nearest Codes in This Family

Official HCPCS Level II classifications closest to G9511 in its code family, with their registry titles.

• G9506 — Biologic immune response modifier prescribed
• G9507 — Documentation that the patient is on a statin medication or has documentation of a valid contraindication or exception to statin medications; contraindications/exceptions that can be defined by…
• G9508 — Documentation that the patient is not on a statin medication
• G9509 — Adult 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 score of less than 5
• G9510 — Adult 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 phq-9m score of less…
• G9512 — Individual had a pdc of 0.8 or greater
• G9513 — Individual did not have a pdc of 0.8 or greater
• G9514 — Patient required a return to the operating room within 90 days of surgery
• G9515 — Patient did not require a return to the operating room within 90 days of surgery
• G9516 — Patient achieved an improvement in visual acuity, from their preoperative level, within 90 days of surgery