Billing code 94010: SpirometryMedicare rate & RVUs

Medicare pays $29.73 for 94010 nationally in the office. Local office rates run $26.11–$40.38.

Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.

What 94010 covers

The patient inhales fully and then exhales as hard and as long as possible into a spirometer. The test records forced vital capacity, FEV1, the FEV1/FVC ratio, and expiratory flow rates, with a volume-time or flow-volume tracing. Maximal voluntary ventilation may also be measured as part of the service. Respiratory therapists, pulmonary function technologists, or trained office staff perform testing in pulmonary and primary care offices, hospital pulmonary function labs, and occupational health clinics. A pulmonologist or other qualified clinician interprets the results. Common uses include COPD and asthma evaluation, preoperative assessment, and monitoring of known restrictive lung disease.

Report one unit for a standard spirometry study; repeated efforts to obtain acceptable results are part of that study. If spirometry is repeated after an administered bronchodilator to assess response, report the response study instead. Documentation should include tracings, effort quality and reproducibility, measured and predicted values, and a signed interpretation. CMS prices the professional and technical components separately: modifier 26 identifies interpretation, while modifier TC identifies equipment and staff services. An entity furnishing both components reports the global service without a component modifier.

This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.

Where 94010 pays more and less

The same RVUs, adjusted for each area’s costs. Open a locality for its calculation, history and nearby areas.

109 of 109 payment localities

94010 rates by state

Office rate range in each state. Select a state to see its payment localities.

How the 94010 rate is calculated

Each of 94010’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.

Payment rules and modifiers for 94010

The CMS indicators that decide how 94010 is paid alongside other services.

What modifiers do to the payment

When to use modifier 26

94010 compared with similar codes

How to choose

94060Bronchodilator spirometry

94060 covers spirometry before and after bronchodilator administration to assess response. If only a baseline spirometry study is performed, report 94010.

94070Wheezing evaluation

94070 covers bronchial provocation with serial spirometry, such as a methacholine challenge. A standard spirometry study without provocation is 94010.

94011Infant spirometry

94011 describes infant spirometry for children through age 2. Code 94010 describes standard spirometry performed with the patient's own forced expiratory effort.

94016Spirometry review

94016 is review and interpretation of patient-initiated spirometry recorded over time. Code 94010 is a supervised standard spirometry study.

Codes related to 94010

Related codes aren’t interchangeable: bill the code that matches the service performed.

Where these rates come from

FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.

CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027

Open CMS sourceHow we calculate rates