Summary & Overview
CPT 84403: Laboratory Measurement of Total Testosterone
CPT code 84403: Testosterone; total is a widely utilized laboratory test for measuring total testosterone levels in blood samples. This procedure is integral to the diagnosis and management of endocrine and reproductive disorders, including testicular dysfunction and other hormonal imbalances. The code is classified under chemistry procedures and is most frequently performed in independent laboratory settings.
Major national payers such as Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare provide coverage for this service, reflecting its clinical importance and broad applicability. The publication offers a comprehensive overview of payer coverage, relevant clinical indications, and associated billing practices. Readers will gain insights into common modifiers, applicable provider taxonomies, and related CPT codes, as well as the ICD-10 diagnoses most often linked to this test.
This summary provides a clear understanding of the clinical context, payer landscape, and coding considerations for CPT code 84403. It is designed to inform healthcare professionals, laboratory administrators, and policy analysts about current benchmarks and policy updates relevant to testosterone testing.
CPT Code Overview
CPT code 84403 is used to report the laboratory measurement of total testosterone levels in a patient's blood. This procedure falls under chemistry procedures and is commonly performed in an independent laboratory setting, designated as Place of Service 81. The test is essential for evaluating hormonal status and diagnosing various endocrine and reproductive disorders. Accurate assessment of total testosterone is critical for clinical decision-making in both male and female patients.
Clinical & Coding Specifications
Clinical Context
A patient presents to a primary care provider or endocrinologist with symptoms suggestive of hormonal imbalance, such as fatigue, decreased libido, or infertility. The provider orders a laboratory test to measure total testosterone levels using CPT code 84403. The specimen is typically collected in the provider's office and sent to an independent laboratory (Place of Service 81) for analysis. The laboratory performs the chemistry procedure and reports the results back to the provider, who interprets them in the context of the patient's clinical presentation and relevant diagnoses.
Coding Specifications
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Modifiers:
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Modifier
26: Indicates the professional component, used when the provider interprets the laboratory results but does not perform the technical portion of the test. -
Modifier
90: Used when the laboratory test is performed by a reference (outside) laboratory, not by the provider's own facility.
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Provider Taxonomies:
Taxonomy Code