[{"@context":"https:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/medwave.io\/2025\/05\/which-cpt-codes-are-used-in-laboratory-billing\/#BlogPosting","mainEntityOfPage":"https:\/\/medwave.io\/2025\/05\/which-cpt-codes-are-used-in-laboratory-billing\/","headline":"Which CPT Codes are Used in Laboratory Billing?","name":"Which CPT Codes are Used in Laboratory Billing?","description":"Laboratory testing represents a significant portion of healthcare diagnostics and plays a crucial role in disease detection, management, and prevention. For healthcare providers and billing specialists, understanding the Common Procedural Terminology (CPT) codes used in laboratory billing is essential for proper reimbursement and compliance. Below, an overview of the most commonly used CPT codes across […]","datePublished":"2025-05-28","dateModified":"2025-05-28","author":{"@type":"Person","@id":"https:\/\/medwave.io\/author\/admin-2\/#Person","name":"admin","url":"https:\/\/medwave.io\/author\/admin-2\/","identifier":2,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c316763f6818380164c3414fc4575167bcffddaaedbc31902e4e2c7a44540392?s=96&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c316763f6818380164c3414fc4575167bcffddaaedbc31902e4e2c7a44540392?s=96&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Medwave Billing & Credentialing","logo":{"@type":"ImageObject","@id":"https:\/\/medwave.io\/wp-content\/uploads\/2017\/12\/medwave-pittsburgh-medical-billing-400x400.png","url":"https:\/\/medwave.io\/wp-content\/uploads\/2017\/12\/medwave-pittsburgh-medical-billing-400x400.png","width":200,"height":200}},"image":{"@type":"ImageObject","@id":"https:\/\/medwave.io\/wp-content\/uploads\/2023\/02\/laboratory-billing.jpg","url":"https:\/\/medwave.io\/wp-content\/uploads\/2023\/02\/laboratory-billing.jpg","height":300,"width":620},"url":"https:\/\/medwave.io\/2025\/05\/which-cpt-codes-are-used-in-laboratory-billing\/","about":["Articles","Hematology","Immunology","Immunology Billing","Lab CPT Codes","Laboratory CPT Codes","Microbiology and Infectious Disease","Molecular Diagnostics and Genetics","Pathology","Pathology Billing","Toxicology","Toxicology Billing","Urinalysis"],"wordCount":919,"keywords":["Hematology","Immunology","Immunology Billing","Lab CPT Codes","Laboratory CPT Codes","Microbiology and Infectious Disease","Molecular Diagnostics and Genetics","Pathology","Pathology Billing","Toxicology","Toxicology Billing","Urinalysis 0"],"articleBody":"Laboratory testing represents a significant portion of healthcare diagnostics and plays a crucial role in disease detection, management, and prevention. For healthcare providers and billing specialists, understanding the Common Procedural Terminology (CPT) codes used in laboratory billing is essential for proper reimbursement and compliance.Below, an overview of the most commonly used CPT codes across various laboratory specialties, helping healthcare professionals navigate the complex landscape of laboratory billing.Understanding Laboratory CPT CodesCPT codes for laboratory services are primarily found in the Pathology and Laboratory section (80000-89999) of the CPT codebook. These codes represent procedures ranging from basic blood tests to complex genetic analyses.Laboratory CPT codes are generally categorized by:Testing methodologySpecimen typePurpose of analysisComplexity levelMost Common Laboratory CPT Codes by SpecialtyChemistryChemistry tests are among the most frequently ordered laboratory tests and include basic metabolic panels, lipid testing, and specific analyte measurements.\tCPT CodeDescription\t80053Comprehensive Metabolic Panel\t80061Lipid Panel\t80048Basic Metabolic Panel\t82607Vitamin B-12\t82652Vitamin D, 1,25-dihydroxy\t82306Vitamin D, 25-hydroxy\t82570Creatinine, other source (urine)\t82947Glucose, quantitative\t83036Hemoglobin A1C\t84153Prostate-specific antigen (PSA), total\t84439Thyroxine, free (FT4)\t84443Thyroid Stimulating Hormone (TSH)HematologyHematology testing examines blood components and is crucial for diagnosing various blood disorders and monitoring overall health.\tCPT CodeDescription\t85025Complete Blood Count (CBC) with automated differential\t85027Complete Blood Count (CBC) without differential\t85610Prothrombin time (PT)\t85730Partial Thromboplastin Time (PTT)\t85378D-dimer test\t85046Blood smear morphology\t85014Hematocrit\t85018HemoglobinMicrobiology and Infectious DiseaseThese tests identify pathogens and assess antimicrobial sensitivity to guide treatment for infections.\tCPT CodeDescription\t87086Urine culture, bacterial\t87070Culture, bacterial, any source\t87088Urine culture and colony count\t87110Culture, chlamydia\t87206Smear, fluorescent and\/or acid-fast stain\t87430Streptococcus, group A\t87491Chlamydia trachomatis, amplified probe\t87591Neisseria gonorrhoeae, amplified probe\t87798Infectious agent detection by nucleic acid, not otherwise specified\t87806HIV-1 antigen(s) with HIV-1 and HIV-2 antibodies\t87880Streptococcus, group A, direct optical observationImmunologyImmunology tests assess immune system function and are used to diagnose autoimmune conditions, allergies, and immunodeficiencies.\tCPT CodeDescription\t86003Allergen specific IgE, quantitative or semiquantitative\t86039Antinuclear antibodies (ANA)\t86140C-reactive protein\t86592Syphilis test, non-treponemal antibody\t86677Helicobacter pylori antibody\t86703HIV-1 and HIV-2, single assay\t86756Respiratory syncytial virus antibody\t86769SARS-CoV-2 (COVID-19) antibodyMolecular Diagnostics and GeneticsThese advanced tests examine genetic material to diagnose genetic disorders, identify cancer mutations, and detect infectious agents.\tCPT CodeDescription\t81228Cytogenomic constitutional microarray analysis\t81240F2 (prothrombin, coagulation factor II) gene analysis\t81420Fetal chromosomal aneuploidy genomic sequence analysis\t81479Unlisted molecular pathology procedure\t87635SARS-CoV-2 (COVID-19), amplified probe technique\t87798Infectious agent detection by nucleic acid, not otherwise specified\t87901HIV-1 genotype analysis, reverse transcriptase and protease regionsUrinalysisUrinalysis tests evaluate urine specimens to diagnose urinary tract infections, kidney disease, and other metabolic conditions.\tCPT CodeDescription\t81001Urinalysis, automated with microscopy\t81002Urinalysis, non-automated without microscopy\t81003Urinalysis, automated without microscopy\t81025Urine pregnancy test, visual color comparison\t82043Albumin, urine, microalbumin, quantitative\t82570Creatinine, other source (urine)ToxicologyToxicology tests detect the presence of drugs, medications, and other substances in specimens.\tCPT CodeDescription\t80305Drug test(s), presumptive, qualitative\t80306Drug test(s), presumptive, read by instrument\t80307Drug test(s), presumptive, complex chromatography\t80320-80377Drug assays (specific drugs)\t82075Alcohol (ethanol), breath\t83992Phencyclidine (PCP)PathologyPathology services include tissue examination to diagnose diseases and determine treatment options.\tCPT CodeDescription\t88305Surgical pathology, Level IV examination\t88307Surgical pathology, Level V examination\t88312Special stain, Group I\t88342Immunohistochemistry, each antibody\t88360Morphometric analysis, tumor immunohistochemistry\t88312Special stain, Group IModifier Codes for Laboratory ServicesModifiers help specify when laboratory services differ from standard procedures:\tModifierDescription\t90Reference (outside) laboratory\t91Repeat clinical diagnostic laboratory test\t92Alternative laboratory platform testing\tQWCLIA waived test\t59Distinct procedural serviceBest Practices for Laboratory BillingProper Documentation: Ensure all laboratory tests have appropriate documentation showing medical necessity.Test Bundling Awareness: Be aware of which tests are bundled together under a single panel code versus those that can be billed separately.Frequency Limitations: Monitor frequency limitations for certain tests, as Medicare and other payers may have specific limitations.Advance Beneficiary Notice (ABN): Utilize ABNs when applicable for tests that may not be covered due to frequency or medical necessity issues.Modifier Usage: Apply appropriate modifiers when tests are repeated on the same day or when a reference laboratory is used.CLIA Certification: Ensure your laboratory has appropriate CLIA certification for all tests being performed.Diagnosis Code Matching: Link appropriate ICD-10 codes to each laboratory test to demonstrate medical necessity.Common Laboratory Billing ChallengesMedical Necessity RequirementsPayers require that laboratory tests be medically necessary for the diagnosis or treatment of a specific condition. Documentation must support the order for the test.Frequency LimitationsMany laboratory tests have frequency limitations. For example, Medicare typically covers HbA1C testing only every three months for controlled diabetics.Duplicate BillingCare must be taken to avoid billing for the same test multiple times on the same date of service unless medically necessary and properly documented.Panel vs. Individual Test BillingWhen components of a panel are performed, the panel code should be used rather than billing for individual tests separately.Summary: Commonly Used CPT Codes in Laboratory BillingUnderstanding laboratory CPT codes is essential for accurate billing and optimal reimbursement. Staying current with code updates, payer policies, and documentation requirements will help ensure compliance and reduce the risk of claim denials.Laboratory billing specialists should regularly review CPT code updates, payer-specific guidelines, and clinical documentation to optimize the billing process and maintain compliance with regulatory requirements.Disclaimer: CPT codes and billing guidelines change frequently. This article is for informational purposes only and should not be considered as billing advice. Always verify current codes and payer requirements before submitting claims."},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"2025","item":"https:\/\/medwave.io\/2025\/#breadcrumbitem"},{"@type":"ListItem","position":2,"name":"05","item":"https:\/\/medwave.io\/2025\/\/05\/#breadcrumbitem"},{"@type":"ListItem","position":3,"name":"Which CPT Codes are Used in Laboratory Billing?","item":"https:\/\/medwave.io\/2025\/05\/which-cpt-codes-are-used-in-laboratory-billing\/#breadcrumbitem"}]}]