Connecticut, Delaware, Eastern Pennsylvania, Maine, Maryland

THIRD QUARTER 2015 INSURANCE/PAYORS CURRENTLY FILED IN Connecticut, Delaware, Eastern Pennsylvania, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, and Vermont Provider TIN #: 06-1128081 Note: All services will be billed under Dianon Systems*

Insurance/Payor Name Insurance/Payor Name Insurance/Payor Name 1199 Home Care Workers Blue Cross Blue Shield Western Pennsylvania First Health Network** 1199 National Benefit Fund Boston Medical Center HealthNet Plan First Priority Health AARP* Bravo Health** First Seniority Freedom Acordia Broadspire Frank J. Siracusa & Son (Jersey Med®) Advantra Freedom (Coventry)** Bronx Health Plan, The (now Affinity Health Plan) Gateway Health Alliance Adventists HealthCare, Inc. CCN** GEHA (through National PPO Networks)** Aetna C&O Employees Hospital Association Geisinger Health Plan Aetna Medicare Open Plan (private, fee-for-service) Cambridge Network Genesis Health Plans (Affinity Health Plan) Aetna Student Health (formally Chickering Plan) Capital BlueCross Genworth Life and Annuity Insurance Company Affinity Health Plan (Genesis/Bronx Health) Capital District Physicians Health Plan (CDPHP) GHI Alliance PPO, LLC (Now OneNet)* Care Improvement Plus Globe Life and Accident Insurance Company American Republic Insurance Company CareFirst Blue Cross Blue Shield–all products Granite State Health Plan, Inc. Amerigroup** Catskill Area School Employee Benefit Plan Great-West Healthcare** AmeriHealth–all plans CDPHP Great-West Life & Annuity** AmeriHealth Administrators CeltiCare Health Plan of Massachusetts, Inc. Harvard Pilgrim Anthem Blue Cross Blue Shield of Connecticut** CHAMPVA Health Net Federal Service–TRICARE** Century 90 Child Health Plus (through HealthFirst) Health Net Northeast (anatomic pathology services Century Preferred PPO CHN (Consumer Health Network) only) Federal Employee Plan Choice Care Network (PPO)–Humana** Health Options–Highmark Blue Cross Blue Shield Medicare Advantage ChoiceCare Delaware State Preferred Cigna** Health Payors Organization Anthem Blue Cross Blue Shield Maine** Cigna-HealthSpring** Health Plan, Inc. Anthem Blue Cross Blue Shield New Hampshire** Coalition America HealthAmerica of PA** APA Partners Colonial Cooperative Care HealthAssurance PA AtlantiCare Health Plans Comprehensive Benefits Administration (CBA) HealthCare Value Management Atlantis Health Plan ConnectiCare (anatomic pathology services only) HealthFirst/NY–all products Bankers Life & Casualty Consumer Health Network HealthNow (NY) Beech Street** Coresource HealthSCOPE Benefits Benefit Management of Maine (Anthem BCBS) Coventry HealthCare of Connecticut** HealthSmart Blue Cross & Blue Shield of Maryland (CareFirst)–all Coventry HealthCare of Delaware** HealthSmart Benefit Solutions, World Trade Center products Program Coventry HealthCare of Florida** Blue Cross & Blue Shield of Massachusetts HealthSpan, Inc. Coventry HealthCare of Georgia** Blue Cross & Blue Shield of New Jersey Healthstar (now ppoNEXT) Coventry HealthCare of New Jersey** Blue Cross & Blue Shield of Utica Watertown HealthyStart Coventry HealthCare of New York** Blue Cross & Blue Shield of Vermont Highmark Blue Cross Blue Shield–all products Coventry National Health Network** Blue Cross Blue Shield Central NY Horizon BCBSNJ HMO/POS/Blue Choice/NJ Plus/ Creative Plan Administrators Blue Cross Blue Shield Federal Emp Program Direct Access/Medicare Blue Devon Health Services Blue Cross Blue Shield of Delaware Horizon BCBSNJ PPO/Indemnity Diamond Plan by Coventry Maryland Blue Shield of Northeastern New York Horizon Healthcare Admin Direct Care America Blue Cross of Northeastern PA Horizon NJ Health EHP Significa BlueCare EPO/PPO/QHD PPO Hudson Health Plan Comprehensive/Traditional Emerald Health Network, Inc. Humana–all products** First Priority Life Insurance Co Empire BCBSNY–all products Traditional Indemnity/PPO Humana Military Health Services–TRICARE** Employee Benefit Plan Administration (EBPA) Blue Cross Blue Shield of Rhode Island IBA Health Plan Employer Health Programs (EHP) Classic Blue IBA Self-Funded Group Excellus Blue Cross Blue Shield Plan 65 Independence Blue Cross–all products* Fallon Community Health Plan PPO InterGroup (Select, Preferred Simplicity) Family Choice Health Alliance Blue Cross Blue Shield Rochester PPO Iron Workers District Council (SimCare) Fidelis Care of NY Blue Cross Blue Shield Southern Tier Island Group Administrators JerseyMed®

Bold entries indicate exclusive arrangements. *LabCorp and its subsidiaries, including Dianon Pathology, are the sole national providers. **A preferred provider. This list contains insurance carriers with which Dianon Pathology currently files. The list is subject to change and is not all-inclusive. Certain exceptions may apply by geographic or specific member coverage or plan. If you have any questions regarding a specific insurance carrier, please contact your local Dianon representative. For Dianon services go to www.dianon.com or call 800-328-2666. *Dianon Pathology is a brand used by Dianon Systems, a wholly-owned subsidiary of Laboratory Corporation of America Holdings. INSURANCE/PAYORS CURRENTLY FILED IN Connecticut, Delaware, Eastern Pennsylvania,Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, and Vermont (continued...)

Insurance/Payor Name Insurance/Payor Name Johns Hopkins Oxford Health Plans* Employer Health Programs (EHP) PEIA (Public Employees Insurance Agency) Priority Partners MCO Personal Choice The Johns Hopkins Plan Care America USFHP POMCO Keystone Health Plan East ppoNEXT Klais Health Network (PPO) PPOplus Local 164 Premier Blue (Highmark) Local 28 Priority Partners MCO Local 32–EBJ Private Health Care Systems (PHCS)** Local 456 Quality Health Plans of NY (QHP) Local 472,172 (Heavy/General Laborer’s Funds) Railroad Medicare Local 475 RMSCO/Excellus/Utica CNY Region Local 54 Saint Lawrence County Breast and Cervical Cancer Local 56 Program Local 60 Sieba, Ltd. Local 815 (Operating Engineers) Significa Insurance Group Local 825 (Operating Engineers) Southshore Health Services/JerseyMed® Lumenos St. Barnabas Health Plan Madelaine–Local 1222 Welfare Fund Sterling PFFS Magna Care/Magna Health Susquehanna EHP Significa Mail Handlers Benefit Plan** Three Rivers Provider Network Managed Care USA Today’s Option’s PFFS Maryland Breast and Cervical Cancer Program Touchstone Health Partners Maryland Colorectal Cancer Screening Program TRICARE** Maryland Physicians Care Tufts Health Plans Mashantucket Pequot Health Plan UMR* Matthew Thornton Health Plan Unicare** MedCost Preferred/MedCost PrimeNet Union Pacific Railroad Employees Health Systems Medicaid United American Insurance Company Medicare United Furniture Workers Insurance Fund Medicare Advantage (private, fee-for-service) United Mine Workers–Health & Retirement Fund MediChoice PPO, POS, & EASY Access (Beech Street) United Teachers Associates Insurance Company MetroPlus UnitedHealthcare* Montgomery County Cancer Crusade Program UnitedHealthcare Community Plan* (Primary Care Coalition of Montgomery Co.) UnitedHealthcare Insurance Company of NY* MultiPlan, Inc.** UnitedHealthcare Military & Veterans–TRICARE** Mutual of Omaha UnitedHealthcare of the Mid-Atlantic* MVP Health Plan UnitedHealthcare of the River Valley* National Association of Letter Carrier (NALC)** UnitedHealthcare West* National Preferred Provider Network UnitedHealthOne* Neighborhood Health Plan of Massachusetts University Health Plans, Inc. Neighborhood Health Plan of Rhode Island Upstate Administrative Services New England Financial PPO (Great West) US Family Health Plan (USFHP)–Johns Hopkins New Hampshire Breast and Cervical Cancer Program USA H&W Network New Jersey Family Care Advantage (through Horizon New Jersey Health) USC Health Services (USC) PPO New Jersey Plus (BCBSNJ) Wellcare of Connecticut** New Jersey State Health Benefit (BCBSNJ) Wellcare of New Jersey** NOVA Wellcare of New York** One Health Plan (Great West)

Bold entries indicate exclusive arrangements. *LabCorp and its subsidiaries, including Dianon Pathology, are the sole national providers. **A preferred provider.

This list contains insurance carriers with which Dianon Pathology currently files. The list is subject to change and is not all-inclusive. Certain exceptions may apply by geographic or specific member coverage or plan. If you have any questions regarding a specific insurance carrier, please contact your local Dianon representative. For Dianon services go to www.dianon.com or call 800-328-2666. *Dianon Pathology is a brand used by Dianon Systems, a wholly-owned subsidiary of Laboratory Corporation of America Holdings.