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Sydra

Federal IDR by specialty

Assistant Surgeons: out-of-network denials and recovery

Surgical assistant services (modifiers 80, 81, and 82) billed alongside an in-network primary surgeon — often out of network and denied or underpaid on protected No Surprises Act claims.

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4 disputed assistant surgeons codes

Coronary artery bypass, single arterial graft

CPT 33533 · chest / cardiac

Laparoscopic cholecystectomy

CPT 47562 · abdomen

Repair, ventral or incisional hernia

CPT 49560 · abdomen

Partial colectomy with anastomosis

CPT 44140 · abdomen

Assistant Surgeons denials by state

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming
JA

Medically & clinically reviewed by Dr. John M. Abrahams, MD

Board-certified neurosurgeon and founder of Sydra · Last reviewed September 2026 · About the author

Sources

Figures reflect the published federal record across all disputes, not a prediction about any individual claim. This is general information, not legal or financial advice.