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CPT 82705: Quantitative Stool Fat Analysis
CPT code 82705 identifies a quantitative laboratory analysis of stool to determine the relative amount of fat in a fecal sample. This test is clinically important for diagnosing malabsorption and maldigestion syndromes and for evaluating suspected celiac disease. As a laboratory diagnostic procedure, it informs dietary management, further diagnostic testing, and specialist referral decisions.
Key national payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Coverage policies and medical necessity criteria for stool fat testing vary across payers; some require documented symptoms or prior testing before approving reimbursement.
Readers will find a concise overview of clinical context and typical sites of service, plus guidance on what to expect in payer coverage discussions. The publication also summarizes common billing considerations, relevant modifiers, and areas where policy updates or local coverage determinations may affect claims processing. Data not available in the input prevents presentation of payer-specific reimbursement benchmarks or utilization trends.
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Billing Code Overview
CPT code 82705 describes a laboratory analysis that measures the relative amount of fat in a stool specimen. The test is used to assess for fat malabsorption or maldigestion, and it can support evaluation for conditions such as celiac disease that produce abnormally high fecal fat.
Service type: Laboratory diagnostic test — quantitative fecal fat analysis
Typical site of service: Clinical laboratory or hospital laboratory, with specimen collection performed in an outpatient clinic or at home and delivered to the lab for analysis.