CPT code 87272 denotes an immunofluorescent laboratory test to detect Cryptosporidium antigens, a diagnostic assay used to identify a common protozoal cause of diarrheal illness. Nationally, accurate and timely detection of Cryptosporidium supports public health surveillance, infection control, and appropriate clinical management of gastrointestinal infections. The code is relevant to hospital and outpatient clinical laboratories that perform stool antigen testing using fluorescent-tagged antibodies.

Key payers considered in this overview include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise explanation of the clinical purpose of the test, typical sites of service, and the operational context for laboratories reporting this code. The publication covers reimbursement benchmarks where available, coding and billing considerations relevant to laboratory services, and clinical context for when an immunofluorescent Cryptosporidium antigen test is used versus other diagnostic modalities.

Where specific input data was not provided, the publication notes data limitations. The material is written for a national audience and focuses on clinical utility, billing classification as CPT code 87272, and payer coverage context.