G9779 — Patients who are breastfeeding at any time during the performance period
G9779 is a HCPCS Level II code for patients who are breastfeeding at any time during the performance period. It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusM
Measurement code. Used for reporting purposes only; never paid.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for G9779
- Long descriptor
- Patients who are breastfeeding at any time during the performance period
- Short descriptor
- Pts breastfeeding
- Added
- January 1, 2017
- BETOS
- Z2
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to G9779
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9779 is not quite right, the correct code is very often within a few positions of it.
- G9771At least 1 body temperature measurement equal to or greater than 35.5 degrees celsius (or 95.9 degrees fahrenheit) achieved within the 30 minutes immediately before or 15 minutes immediately after anesthesia end time
- G9772Documentation 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 immediately before or 15 minutes immediately after anesthesia end time (e.g., emergency cases, intentional hypothermia, etc.)
- G9773At 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 after anesthesia end time, reason not given
- G9774Patients who have had a hysterectomyterminated
- G9775Patient received at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
- G9776Documentation 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 medical reason)
- G9777Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
- G9778Patients who have a diagnosis of pregnancy at any time during the measurement periodterminated
- G9780Patients who have a diagnosis of rhabdomyolysis at any time during the performance period
- G9781Documentation 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 allergy to statin medication therapy, patients who are receiving palliative or hospice care, patients with active liver disease or hepatic disease or insufficiency, patients with end stage renal disease [esrd], or other medical reasons)
- G9782History of or active diagnosis of familial hypercholesterolemia
- G9783Documentation of patients with diabetes who have a most recent fasting or direct ldl- c laboratory test result < 70 mg/dl and are not taking statin therapyterminated
- G9784Pathologists/dermatopathologists providing a second opinion on a biopsy
- G9785Pathology report diagnosing cutaneous basal cell carcinoma, squamous cell carcinoma, or melanoma (to include in situ disease) sent from the pathologist/ dermatopathologist to the biopsying clinician for review within 7 days from the time when the tissue specimen was received by the pathologist
- G9786Pathology report diagnosing cutaneous basal cell carcinoma, squamous cell carcinoma, or melanoma (to include in situ disease) was not sent from the pathologist/ dermatopathologist to the biopsying clinician for review within 7 days from the time when the tissue specimen was received by the pathologist
- G9787Patient alive as of the last day of the measurement year
Questions about G9779
What is HCPCS code G9779?
G9779 is a HCPCS Level II code for patients who are breastfeeding at any time during the performance period. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G9779?
The CMS HCPCS file marks G9779 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is G9779 paid under the physician fee schedule?
G9779 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.