G9777 HCPCS Level II Code: Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
Medicare Coverage & Payment
- CMS short descriptor: Pt no antiemet pre/intraop
- Medicare coverage: Carrier judgment (CMS coverage code C)
- Payment category: Service not separately priced (pricing indicator 00)
- BETOS: Z2 — Undefined codes
- Last CMS action effective: January 1, 2017
Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.
Contextual Map
Every relationship of G9777 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)
- G9757 — Surgical procedures that included the use of silicone oil[Sibling]— CMS HCPCS Level II code set
- G9758 — Patient in hospice at any time during the measurement period[Sibling]— CMS HCPCS Level II code set
- G9759 — History of preoperative posterior capsule rupture[Sibling]— CMS HCPCS Level II code set
- G9760 — Patients who use hospice services any time during the measurement period[Sibling]— CMS HCPCS Level II code set
- G9761 — Patients who use hospice services any time during the measurement period[Sibling]— CMS HCPCS Level II code set
- G9762 — Patient had at least two hpv vaccines (with at least 146 days between the two) or three hpv vaccines on or between the patient's 9th and 13th birthdays[Sibling]— CMS HCPCS Level II code set
- G9763 — Patient did not have at least two hpv vaccines (with at least 146 days between the two) or three hpv vaccines on or between the patient's 9th and 13th birthdays[Sibling]— CMS HCPCS Level II code set
- G9764 — Patient has been treated with a systemic medication for psoriasis vulgaris[Sibling]— CMS HCPCS Level II code set
- and 32 more
Change history
- January 1, 2017 — Added to the code set [Change history]— CMS release files (code change ledger)
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, descriptors, coverage and pricing attributes Official source data
- CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- January 1, 2017Added to the code setPatient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
Nearest Codes in This Family
Official HCPCS Level II classifications closest to G9777 in its code family, with their registry titles.
- G9772 — Documentation of medical reason(s) for not achieving at least 1 body temperature measurement equal to or greater than 35.5 degrees celsius (or 95.9 degrees fahrenheit) within the 30 minutes…
- G9773 — At least 1 body temperature measurement equal to or greater than 35.5 degrees celsius (or 95.9 degrees fahrenheit) not achieved within the 30 minutes immediately before or 15 minutes immediately…
- G9774 — Patients who have had a hysterectomy
- G9775 — Patient received at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
- G9776 — Documentation of medical reason for not receiving at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively (e.g., intolerance or other…
- G9778 — Patients who have a diagnosis of pregnancy at any time during the measurement period
- G9779 — Patients who are breastfeeding at any time during the performance period
- G9780 — Patients who have a diagnosis of rhabdomyolysis at any time during the performance period
- G9781 — Documentation of medical reason(s) for not currently being a statin therapy user or receiving an order (prescription) for statin therapy (e.g., patients with statin-associated muscle symptoms or an…
- G9782 — History of or active diagnosis of familial hypercholesterolemia