Test Code Test Name
SREDSUBQ Reducing Substances, Feces [5022X]
RUBG Rubella IgG Antibody
RUBG RUBELLA IgG ANTIBODY
RUBEG Measles Antibody (IgG), Immune Status
RSVPCRQ Respiratory Syncytial Virus (RSV) RNA, Qualitative Real-Time PCR
RSVAB Respiratory Syncytial Virus Antibody, Serum
ROTASCRN ROTAVIRUS AG SCREEN
RNP RNP Antibody
RMSFGM Rickettsia Antibody Panel with Reflex to Titers
RITUXAN SENSITIVITY-MISC Rituxan Sensitivity (CD20)
RIAB Ri Antibody Screen with Reflex to Titer and Western Blot
Rhizopus nigricans (m11) IgE Rhizopus nigricans (m11) IgE
RFAB Rheumatoid Factor (IgA, IgG, IgM)
RF RHEUMATOID FACTOR
RETIC RETIC COUNT
RESPCR Respiratory Viral Panel by PCR
Reptilase Clotting Time Reptilase Clotting Time
RENALP RENAL FUNCTION PANEL
RC RESPIRATORY CULTURE W GRAM STN
RASMUT RAS Mutation Analysis, Cell-based
RARYE Rye (f5) IgE [2805X]
RARP Rough Pigweed (w14) IgE [2414X]
RARICE Rice (f9) IgE [2809X]
RAREDC Red Cedar (t57) IgE**
RARATEPI Rat Epithelia (e73) IgE [2659X]
RARASP Raspberry (Rf343) IgE** [26281Z]
RARAPR2 Respiratory Allergy Profile Region II 
RARABEPI Rabbit Epithelia (e82) IgE [2654X]
RAPAM Sirolimus, LC/MS/MS
RADPNL Rheumatoid Arthritis Diagnostic Panel
RABIES Rabies Vaccine Response End-Point Titer [5789X]
R RHO Immune Globulin
MONOSEBV MONOSPOT W REFLEX EBV PANEL
COVIDC4PLEX Order Mnemonic COVIDC4PLEX
93796 RET Sequencing and Deletion/Duplication
91155 ROMA™ (Risk of Ovarian Malignancy Algorithm)
901708 Rheumatoid Factor by Turbidimetry, Synovial Fluid (RDL)
90121 Ri Antibody Screen with Reflex to Titer and Western Blot, CSF
4674 Recombx® Amphiphysin Autoantibody Test
30528 Red Kidney Bean (Rf287) IgE** [3052X]
2309 Red Top Grass (g9) IgE
15384 Rheumatoid Factor Screen with Reflex to Titer, Synovial Fluid