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    OpenPayerBilling CodesCPT CodesPathology and Laboratory Procedures

    Find policies, billing codes, payers, states, and providers

    21 categories

    Anatomic Pathology Procedures

    Anatomic pathology services including gross and microscopic examination, autopsy, and surgical specimen evaluation. CPT range 88000–88099 encompassing postmortem exams and other anatomic pathology codes.

    Codes 88000–88099Total Codes: 16Sub-groups: 1
    Updated 5/4/2026

    Chemistry Procedures

    Chemistry tests measuring biochemical analytes, therapeutic levels, and metabolic panels performed on body fluids. CPT range 82009–84999 covering metabolic panels, enzyme assays, toxicology screens, and specialized chemistry assays.

    Codes 82009–84999Total Codes: 412
    Updated 5/4/2026Standalone

    Clinical Pathology Consultations

    Clinical pathology consultations involving interpretation of laboratory data, correlation with clinical findings, and management recommendations. CPT range 80503–80506 which lists consultation and interpretation codes for clinical laboratory services.

    Codes 80503–80506Total Codes: 4
    Updated 5/4/2026Standalone

    Cytogenetic Studies

    Cytogenetic testing for chromosomal analysis including karyotyping, FISH, and related assays for genetic abnormalities. CPT range 88230–88299 covering chromosome studies, fluorescence in situ hybridization, and cytogenetic analyses.

    Codes 88230–88299Total Codes: 27
    Updated 5/4/2026Standalone

    Cytopathology Procedures

    Cytopathology procedures for evaluation of cellular specimens by smear, FNA, and ancillary studies including flow cytometry and hybridization. CPT range 88104–88199 including fluid washings, screening, FNA cytology, flow cytometry, and an unlisted cytopathology code.

    Codes 88104–88199Total Codes: 37Sub-groups: 5
    Updated 5/4/2026

    Drug Assay Procedures

    Drug assay services for screening and definitive testing of drugs and metabolites in biological specimens. CPT range 80305–80377 covering presumptive drug class screens, definitive drug testing procedures, and multi-drug panels.

    Codes 80305–80377Total Codes: 28Sub-groups: 2
    Updated 5/4/2026

    Evocative/Suppression Testing Procedures

    Provocative and suppression tests that assess endocrine function using stimulatory or inhibitory agents and serial measurements. CPT range 80400–80439 comprising various evocative and suppression endocrine testing procedures.

    Codes 80400–80439Total Codes: 23
    Updated 5/4/2026Standalone

    Genomic Sequencing Procedures and Other Molecular Multianalyte Assays

    Genomic sequencing and molecular multianalyte assays including targeted gene panels, whole exome/genome, and complex molecular tests. CPT range 81410–81479 covering genomic sequencing procedures and other molecular multianalyte assays.

    Codes 81410–81479Total Codes: 44
    Updated 5/4/2026Standalone

    Hematology and Coagulation Procedures

    Hematology and coagulation testing including CBCs, hemoglobinopathies, coagulation panels, and specialized hematologic assays. CPT range 85002–85999 covering routine hematology, coagulation studies, bone marrow evaluations, and specialized blood testing.

    Codes 85002–85999Total Codes: 100
    Updated 5/4/2026Standalone

    Immunology Procedures

    Immunology tests detecting antibodies, immune markers, transplantation compatibility, and allergy diagnostics. CPT range 86000–86849 including qualitative/semiquantitative immunoassays and tissue typing immunological procedures.

    Codes 86000–86849Total Codes: 220Sub-groups: 2
    Updated 5/4/2026

    In Vivo (eg, Transcutaneous) Laboratory Procedures

    In vivo laboratory tests performed transcutaneously or by direct physiologic challenge, often for allergen or pharmacologic responses. CPT range 88720–88749 covering transcutaneous and in vivo testing procedures.

    Codes 88720–88749Total Codes: 5
    Updated 5/4/2026Standalone

    Microbiology Procedures

    Microbiology services including specimen inoculation, culture, identification, susceptibility testing, and viral isolation. CPT range 87003–87999 spanning inoculation/concentration, culture and typing, antimicrobial susceptibility, antigen detection, virus isolation, and phenotype/genotype assays.

    Codes 87003–87999Total Codes: 241Sub-groups: 9
    Updated 5/4/2026

    Molecular Pathology Procedures

    Molecular pathology procedures covering tiered molecular tests, mutation analysis, and multigene panels using nucleic acid techniques. CPT range 81105–81479 including Tier 1 and Tier 2 molecular codes, genetic analysis, and other molecular pathology services.

    Codes 81105–81479Total Codes: 223Sub-groups: 2
    Updated 5/4/2026

    Multianalyte Assays with Algorithmic Analyses

    Multianalyte assays with algorithmic analyses that combine multiple analytes into risk scores or diagnostic algorithms. CPT range 81490–81599 focusing on multianalyte algorithmic tests and related proprietary panel codes.

    Codes 81490–81599Total Codes: 42
    Updated 5/4/2026Standalone

    Organ or Disease Oriented Panels

    Organ- or disease-oriented panels aggregating multiple tests to evaluate specific organ function or disease processes. CPT range 80047–80081 comprising common metabolic, hepatic, renal, and disease-oriented laboratory panels.

    Codes 80047–80081Total Codes: 11
    Updated 5/4/2026Standalone

    Other Pathology and Laboratory Procedures

    Miscellaneous pathology and laboratory services that do not fall into standard categories, including specialized assays and unlisted lab procedures. CPT range 89049–89240 covering diverse pathology-related tests and unlisted laboratory codes.

    Codes 89049–89240Total Codes: 11
    Updated 5/4/2026Standalone

    Reproductive Medicine Procedures

    Reproductive medicine laboratory procedures including semen analysis, assisted reproduction testing, and related specialized assays. CPT range 89250–89398 covering semen evaluation, sperm function tests, and reproductive laboratory services.

    Codes 89250–89398Total Codes: 37
    Updated 5/4/2026Standalone

    Surgical Pathology Procedures

    Surgical pathology involving processing and microscopic interpretation of excised tissues and biopsy specimens. CPT range 88300–88399 containing surgical pathology gross and microscopic examination codes and related add-on services.

    Codes 88300–88399Total Codes: 48
    Updated 5/4/2026Standalone

    Therapeutic Drug Assays

    Therapeutic drug monitoring assays quantifying drug concentrations to guide therapy and toxicity assessment. CPT range 80143–80377 covering therapeutic drug assay codes as well as presumptive and definitive drug testing where applicable.

    Codes 80143–80377Total Codes: 88
    Updated 5/4/2026Standalone

    Transfusion Medicine Procedures

    Transfusion medicine services including blood typing, crossmatching, compatibility testing, and immunohematology. CPT range 86850–86999 encompassing tissue typing immunological procedures, crossmatches, and transfusion-related laboratory testing.

    Codes 86850–86999Total Codes: 39
    Updated 5/4/2026Standalone

    Urinalysis Procedures

    Urinalysis procedures assessing urine for chemical, microscopic, and automated analyses used in diagnosis and monitoring. CPT range 81000–81099 covering dipstick/automated urinalysis, microscopic urine exams, and related urine testing codes.

    Codes 81000–81099Total Codes: 11
    Updated 5/4/2026Standalone

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