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CPT 83661 Fee Schedule

Last Verified: December 2025

Healthcare providers use this code to document and receive reimbursement for visits that address moderate-level medical decision-making, often including multiple diagnoses or prescription management.

Lecithin-Sphingomyelin Ratio, Amniotic F
Key FactDetail
Service Type

Pathology and Laboratory Procedures

Chemistry Procedures

Common Place of Service

22 - On Campus Outpatient Hospital

21 - Inpatient Hospital

11 - Office

Common Modifiers

None

26 - Professional component

Complexity LevelLow

National average reimbursement for CPT 83661 by major payers:

bcbs

$19.87

uhc

$15.82

aetna

$24.59

cigna

$32.93

Preview provider-level rates for...
For billing codeCPT 83661
PayerCodeRateNPITax IDStateSpecialty

Select a payer to view fee schedule data

Choose a payer from the options above to see rates for CPT 83661

United
83661$12.271366400376 - SUNRISE HOME HEALTH CARE INC.650307774 - (FL) SUNRISE HOME HEALTH CARE INCFLHome Health Agency (251E00000X)
United
83661$40.001801164967 - DA PEDIATRIC REHABILITATION270939565 - (FL) DA PEDIATRIC REHABILITATIONFLHome Health Agency (251E00000X)
United
83661$19.951295728186 - BAYCARE HOME CARE, INC.593582520 - (FL) BAYCARE HOME CARE INCFLHome Health Agency (251E00000X)
United
83661$40.001649599168 - RESTORATIVE HEALTH REHABILITATION INC272533824 - (FL) RESTORATIVE HEALTH REHABILITATION INCFLHome Health Agency (251E00000X)
United
83661$7.921568848059 - CUMBERLAND SURGICAL HOSPITAL OF SAN ANTONIO LLC, LEGENT ORTHOPEDIC & SPINE474612520TXGeneral Acute Care Hospital (282N00000X)
United
83661$21.981801817135 - BRAZOS VALLEY PHYSICIANS ORGANIZATION,MSO-LLC, THE PHYSICIANS CENTRE742862145 - BRAZOS VALLEY PHYSICIANS ORGANIZATIONMSOLLCTXGeneral Acute Care Hospital (282N00000X)
United
83661$26.981497792527 - UNIVERSITY HEALTHCARE SYSTEM, L.C., TULANE LAKESIDE HOSPITAL621596506LAGeneral Acute Care Hospital (282N00000X)
United
83661$21.981699726406 - COLUMBIA MEDICAL CENTER OF PLANO SUBSIDIARY LP, MEDICAL CITY PLANO621682203TXGeneral Acute Care Hospital (282N00000X)
United
83661$12.891144227935 - CONCORDIA PARISH HOSPITAL SERVICE DISTRICT NUMBER ONE, TRINITY MEDICAL720578642 - (LA) RIVERLAND MEDICAL CENTERLACritical Access Hospital (282NC0060X)
United
83661$40.701710314141 - ST. LUKES HOSPITAL AT THE VINTAGE263734606 - (TX) ST LUKES HOSPITAL AT THE VINTAGETXGeneral Acute Care Hospital (282N00000X)
United
83661$21.981740273994 - ECTOR COUNTY HOSPITAL DISTRICT, MEDICAL CENTER HOSPITAL752302928TXGeneral Acute Care Hospital (282N00000X)
United
83661$21.981508810573 - BAY AREA HEALTHCARE GROUP, LTD., CORPUS CHRISTI MEDICAL CENTER752387418TXGeneral Acute Care Hospital (282N00000X)
United
83661$40.701407990088 - PMC HOSPITAL, LLC, ST. LUKE'S PATIENTS MEDICAL CENTER273280598 - (TX) PMC HOSPITAL, LLCTXGeneral Acute Care Hospital (282N00000X)
United
83661$26.381316931835 - WILBARGER COUNTY HOSPITAL DISTRICT, WILBARGER GENERAL HOSPITAL756047638 - (TX) WILBARGER GENERAL HOSPITAL EMPLOYEE BENEFIT PLANTXGeneral Acute Care Hospital (282N00000X)
United
83661$21.981831975572 - DECATUR HEALTH SERVICES, LLC932081386TXGeneral Acute Care Hospital (282N00000X)
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist
United
99202$100.0012345678901234567890CACardiologist

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CPT 83661 vs. Other Chemistry Procedures Codes

The CPT 83661 code is part of the Pathology and Laboratory Procedures services used for Chemistry Procedures. It represents a moderate-complexity encounter and is one of several codes that vary based on time spent, level of medical decision-making, and documentation requirements.

The CPT 83661 code involves more provider time and moderate medical decision-making, unlike lower-level codes that require less time and simpler assessments. It typically includes multiple diagnoses, medication management, or test interpretation, leading to higher reimbursement and more detailed documentation requirements.

CodeComplexityDescription
83661-CPTLowLecithin-Sphingomyelin Ratio, Amniotic F
83662-CPTLowLecithin-Sphingomye Ratio Foam Test
83663-CPTLowFetal Lung Maturity Assessment; Fluorescence Polarization
83735-CPTLowMagnesium

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 83661. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 83661 fee schedule helps patients estimate costs and providers optimize billing for accurate reimbursements.

Factors that affect fee schedules


Medicare & Medicaid Rates

Government-set reimbursement amounts


Private Insurance Rates

Negotiated rates between providers and insurance companies


Geographic Location

Costs may be higher in urban areas.


Provider Type

Hospital providers may have different rates than private practice.

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