| ACCU REFERENCE |
| ADDICTION LABS |
| ADDICTION LABS-CA |
| AEL |
| AEL-AUSTIN |
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| AEL-COLUMBUS |
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| AEL-LITTLE ROCK |
| AEL-MEMPHIS |
| AEL-NASHVILLE |
| AEL-PITTSBURG |
| AEL-POPLAR BLUFF |
| AEL-ST LOUIS |
| ALERE |
| ALERE-PAIN |
| ASCEND CLINICAL |
| AZTEC PATHOLOGY |
| BMG |
| Boone Hospital Radiology Department |
| BOONE HOSPITAL-COLUMBIA MO LAB |
| BOONE IN-PATIENT PHARMACY |
| BOONE WOMEN AND CHILDRENS HEALTH |
| CARDINAL HEALTH |
| Cardinal Health KC |
| CENTRAL CLINICAL LABS |
| CONCENTRA |
| CONCENTRA-CA |
| CORDANT |
| CORDANT-LOUISVILLE |
| CORDANT-LOUISVILLE-ST MATTHEWS |
| CORDANT-NASHVILLE |
| CORDANT-NEW YORK |
| CRL |
| CRL-CA |
| DCS |
| DELTA HEALTH SYSTEMS |
| GARCIA LABS |
| HELIX DIAGNOSTIX |
| IDEXX |
| LAB LOGISTICS |
| METHODIST PCG-ATOKA |
| METHODIST PCG-HOLLY SPRINGS |
| METHODIST PCG-MARION |
| METHODIST PCG-MEMPHIS |
| MIG |
| NORCHEM |
| NORCHEM-CA |
| NORCHEM-DENVER |
| NORCHEM-NEW YORK |
| PHOX HEALTH |
| POPLAR HEALTH |
| POPLAR HEALTH-CA |
| QUALITY SOLUTIONS |
| QUALITY SOLUTIONS-CA |
| QUEST |
| QUEST-CA |
| QUEST-HONOLULU |
| QUEST-ORLANDO |
| QUEST-TAMPA |
| RECEPTRX-AHL-R99 |
| RECEPTRX-ARLINGTON-R020 |
| RECEPTRX-ASHEVILLE-R123 |
| RECEPTRX-AUSTIN-R063 |
| RECEPTRX-AUSTIN-R083 |
| RECEPTRX-Baton Rouge-R116 |
| RECEPTRX-BEAVERCREEK-R109 |
| RECEPTRX-BELLAIRE-R033 |
| RECEPTRX-BIRMINGHAM-R097 |
| RECEPTRX-Brandywine-R120 |
| RECEPTRX-CHICAGO-R125 |
| RECEPTRX-CINCINNATI-R110 |
| ReceptRX-Dallas-R019 |
| RECEPTRX-DENVER-R300 |
| RECEPTRX-EL PASO-R026 |
| RECEPTRX-EL PASO-R075 |
| RECEPTRX-FORT WALTON-R104 |
| RECEPTRX-FORT WORTH-R001 |
| RECEPTRX-FORT WORTH-R015 |
| RECEPTRX-FORT WORTH-R017 |
| RECEPTRX-GERMANTOWN-R107 |
| RECEPTRX-GREATER BADEN-R120 |
| RECEPTRX-GULF SOUTH-R095 |
| RECEPTRX-HAMILTON-R130 |
| RECEPTRX-HOME OFFICE |
| RECEPTRX-HOMEWOOD-R094 |
| ReceptRX-Houma-R204 |
| RECEPTRX-HOUSTON-R031 |
| RECEPTRX-HUNTSVILLE-R090 |
| RECEPTRX-INDY-R114 |
| RECEPTRX-KINSTON-R124 |
| RECEPTRX-LAS VEGAS-R402 |
| RECEPTRX-LOUISVILLE-R115 |
| RECEPTRX-MEMPHIS-R093 |
| RECEPTRX-MERIDIAN-R129 |
| RECEPTRX-MESA-R301 |
| RECEPTRX-MIAMI-R113 |
| RECEPTRX-MIDDLETOWN-R131 |
| RECEPTRX-MOBILE-R096 |
| RECEPTRX-MOUNTAIN CARES-R302 |
| RECEPTRX-NASHVILLE-R203 |
| RECEPTRX-NEWNAN-R112 |
| RECEPTRX-PANAMA CITY-R111 |
| RECEPTRX-PEARLAND-R086 |
| RECEPTRX-SAN ANTONIO-R054 |
| RECEPTRX-ST THOMAS-R100 |
| RECEPTRX-TEST |
| RECEPTRX-THE WOODLANDS-R037 |
| RECEPTRX-TULANE-R202 |
| RECEPTRX-TULANE-R205 |
| RECEPTRX-TULANE-R207 |
| RECEPTRX-TWORIVERS-R126 |
| RECEPTRX-UNIONTOWN-R108 |
| RECEPTRX-VALLEY VIEW-R122 |
| RECEPTRX-Washington-R400 |
| RECEPTRX-WHITE GLOVE-R103 |
| ReceptRX-WindRose-R119 |
| RECEPTRX-WINDROSE-R127 |
| REDWOOD TOX |
| REDWOOD TOX-CA |
| SANDSTONE CARE |
| SELECT MEDICAL |
| STERLING HEALTHCARE |
| TENHEALTHCARE |
| VALOR |
| VALOR-CA |
| WASHINGTON UNIVERSITY |
| Washington University FPKC |
| WASHU ALLERGY PULM |
| WASHU GENOME INSTITUTE |
| WASHU HABIF HEALTH |
| WASHU OPHTHALMOLOGY |
| WASHU PATH AND IMMUNOLOGY |
| WASHU PATHOLOGY |
| WASHU PUBLIC HEALTH |
| ZYX LAB SERVICE |