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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-056 Gamma-glutamyl Transferase Testing in Adults

Gamma-glutamyl transferase (GGT), also known as gamma-glutamyl transpeptidase (GGTP),1,2 is an enzyme that has a half-life of between fourteen and twenty-six days and is present in the cell membrane of many different tissue types, including the heart, brain, seminal vesicles, kidneys, bile duct, spleen, and gallbladder

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-053 Fecal Analysis in the Diagnosis of Intestinal Dysbiosis and Fecal Microbiota Transplant Testing

Intestinal dysbiosis is defined as a disruption or imbalance of the intestinal microbial ecology.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-051 Celiac Disease Testing

Celiac disease is a hereditary, chronic autoimmune disorder that affects one in 100 individuals worldwide.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-049 Metabolite Markers of Thiopurines Testing

Thiopurines are a class of purine antimetabolite immunomodulators with diverse clinical applications in treatment of autoimmune disorders, transplant rejection, and acute lymphoblastic leukemia.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-048 Testing for Alpha-1 Antitrypsin

Alpha 1-antitrypsin deficiency (AATD) is a genetic disease that causes deficient or defective production of the alpha-1 antitrypsin (AAT) protease inhibitor that can affect the lungs, liver, and rarely skin.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-043 Biochemical Markers of Alzheimer Disease and Dementia

Alzheimer disease (AD) is a neurodegenerative disease defined by a gradual decline in memory, cognitive functions, gross atrophy of the brain, and accumulation of extracellular amyloid plaques and intracellular neurofibrillary tangles.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-040 Oral Cancer Screening and Testing

Oral cancer is defined as cancer occurring in the oral cavity between the vermilion border of the lips and the junction of the hard and soft palates or the posterior one third of the tongue.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-039 In Vitro Chemoresistance and Chemosensitivity Assays

In vitro chemotherapy sensitivity and resistance assays refer to any in vitro laboratory analysis that is performed specifically to evaluate whether tumor growth is inhibited by a known chemotherapy drug or, more commonly, a panel of drugs.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-035 Prostate Biopsy Specimen Analysis

Prostate cancer is characterized by a malignancy of the small walnut-shaped gland that produces seminal fluid.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-032 Epithelial Cell Cytology in Breast Cancer Risk Assessment

Nipple aspiration and/or ductal lavage are non-invasive techniques to obtain epithelial cells for cytological examination to aid in the evaluation of nipple discharge for breast cancer risk.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-031 Bone Turnover Markers Testing

Bone metabolism involves a continual, dynamic equilibrium between bone growth and resorption. Bone turnover markers (BTMs) are biochemical markers for assessment of bone formation or bone resorption.

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Compliance, Regulatory & Policies - Policy, Billing, or Coverage Update - 2026
Reimbursement Policy: PO-RE-023 Diabetes Mellitus Testing

Diabetes describes several heterogeneous diseases in which various genetic and environmental factors can result in the progressive loss of β-cell mass and/or function that manifests clinically as hyperglycemia.

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