G9770 — Peripheral nerve block (pnb)
G9770 is a HCPCS Level II code for peripheral nerve block (pnb). 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
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The CMS record for G9770
- Long descriptor
- Peripheral nerve block (pnb)
- Short descriptor
- Perip nerve block
- 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 G9770
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9770 is not quite right, the correct code is very often within a few positions of it.
- G9762Patient 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
- G9763Patient 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
- G9764Patient has been treated with a systemic medication for psoriasis vulgaris
- G9765Documentation that the patient declined change in medication or alternative therapies were unavailable, has documented contraindications, or has not been treated with a systemic medication for at least six consecutive months (e.g., experienced adverse effects or lack of efficacy with all other therapy options) in order to achieve better disease control as measured by pga, bsa, pasi, or dlqi
- G9766Patients who are transferred from one institution to another with a known diagnosis of cva for endovascular stroke treatment
- G9767Hospitalized patients with newly diagnosed cva considered for endovascular stroke treatment
- G9768Patients who utilize hospice services any time during the measurement period
- G9769Patient had a bone mineral density test in the past two years or received osteoporosis medication or therapy in the past 12 months
- 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
Questions about G9770
What is HCPCS code G9770?
G9770 is a HCPCS Level II code for peripheral nerve block (pnb). It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G9770?
The CMS HCPCS file marks G9770 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 G9770 paid under the physician fee schedule?
G9770 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.