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CPT 83921 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.

Organic Acid, Single, Quantitative
Key FactDetail
Service Type

Pathology and Laboratory Procedures

Chemistry Procedures

Common Place of Service

81 - Independent Laboratory

11 - Office

Common Modifiers

None

90 - Reference Laboratory

91 - Repeat Lab Test

Complexity LevelLow

National average reimbursement for CPT 83921 by major payers:

bcbs

$17.05

uhc

$13.75

aetna

$22.87

cigna

$31.04

Preview provider-level rates for...
For billing codeCPT 83921
PayerCodeRateNPITax IDStateSpecialty

Select a payer to view fee schedule data

Choose a payer from the options above to see rates for CPT 83921

United
83921$9.401497275853 - ALEXANDER TRAN MD PA821967465 - (TX) ALEXANDER TRAN MD PATXGeneral Acute Care Hospital (282N00000X)
United
83921$31.811639263189 - LASALLE PARISH HOSPITAL SERVICE DIST NO1, HARDTNER MEDICAL CENTER720652984 - (LA) HARDTNER MEDICAL CENTERLACritical Access Hospital (282NC0060X)
United
83921$21.201568461572 - WILLIS KNIGHTON MEDICAL CENTER, INC.720400933 - (LA) WILLIS-KNIGHTON MEDICAL CENTERLAGeneral Acute Care Hospital (282N00000X)
United
83921$9.651134126659 - CALDWELL MEMORIAL HOSPITAL INC720878037 - (LA) CALDWELL MEMORIAL HOSPITAL, INC.LAGeneral Acute Care Hospital (282N00000X)
United
83921$9.401942292255 - TEXAS SPINE AND JOINT HOSPITAL, LLC, BAYLOR SCOTT & WHITE TX SPINE & JOINT HOS SUR CTR752951355 - (TX) TEXAS SPINE AND JOINT HOSPITALTXGeneral Acute Care Hospital (282N00000X)
United
83921$21.201457382483 - AMISUB OF SOUTH CAROLINA, INC., PIEDMONT MEDICAL CENTER953561198 - (SC) AMISUB OF SOUTH CAROLINA INCSCGeneral Acute Care Hospital (282N00000X)
United
83921$20.201497792527 - UNIVERSITY HEALTHCARE SYSTEM, L.C., TULANE LAKESIDE HOSPITAL621596506LAGeneral Acute Care Hospital (282N00000X)
United
83921$23.001558311936 - TEMPLE VAMC742791419TXGeneral Acute Care Hospital (282N00000X)
United
83921$9.401407191984 - BSA HOSPITAL LLC300754305TXGeneral Acute Care Hospital (282N00000X)
United
83921$8.901407191984 - BSA HOSPITAL LLC900914340TXGeneral Acute Care Hospital (282N00000X)
United
83921$21.201356366314 - LEXINGTON COUNTY HEALTH SERVICES DISTRICT INC, LEXINGTON MEDICAL CENTER852276567 - LEXINGTON HEALTH INCSCGeneral Acute Care Hospital (282N00000X)
United
83921$25.451275581852 - ROLLING PLAINS MEMORIAL HOSPITAL756003896 - (TX) THE NOLAN COUNTY HOSPITAL DISTRICTTXGeneral Acute Care Hospital (282N00000X)
United
83921$21.201003925959 - HOSPITAL SERVICE DISTRICT 2 OF THE PARISH OF TANGIPAHOA STATE OF LA., HOOD MEMORIAL HOSPITAL720694946 - (LA) HOSPITAL SERVICE DISTRICT 2 OF THE PARISH OF TANGIPAHOA STATE OF LALACritical Access Hospital (282NC0060X)
United
83921$10.601336172105 - TEXAS HEALTH HARRIS METHODIST HOSPITAL FORT WORTH756001743 - (TX) TEXAS HEALTH HARRIS METHODIST HOSPITAL FORT WORTHTXGeneral Acute Care Hospital (282N00000X)
United
83921$9.401174526529 - TITUS COUNTY HOSPITAL DISTRICT, TITUS REGIONAL MEDICAL CENTER756003935TXGeneral 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 83921 vs. Other Chemistry Procedures Codes

The CPT 83921 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 83921 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
83655-CPTLowLead, Quantitative; Blood
83857-CPTLowMethemalbumin
83918-CPTLowOrganic Acids;Quantitative
83921-CPTLowOrganic Acid, Single, Quantitative

What is a fee schedule?

A fee schedule is a list of fixed prices that healthcare providers charge for specific services, including CPT 83921. These prices vary depending on payer type (Medicare, Medicaid, private insurance), geographic location, and provider contracts.

Understanding the 83921 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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