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St. John Health System
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Index:

TORCH panel

Order Name TORCH panel
Test Number: 5592126
Revision Date 02/08/2024
Test Name Methodology LOINC Code
Toxoplasma Antibodies IgG and IgM
 
Rubella virus Antibodies IgG and IgM
 
Cytomegalovirus (CMV) Antibodies IgG and IgM
 
Herpes Simplex Virus Type 1 and Type 2 Antibodies IgG
Chemiluminescence Assay  
Herpes Simplex Virus Type 1/2 IgM IFA
Indirect Fluorescent Antibody  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1.5 mL (1.2 mL) Serum Clot Activator (SST or Red No-Gel) Refrigerated or Frozen
Alternate 1 1.5 mL (1.2 mL) Cord Blood Serum Clot Activator SST (Gold Bullet) Refrigerated or Frozen
Instructions Stability: Refrigerated 2 Days, Frozen 1 Year
GENERAL INFORMATION
Testing Schedule Mon-Sat 
Expected TAT 1-2 Days 
Notes As of 2.8.24 the IgM will no longer reflex to an IFA confirmation.
CPT Code(s) 86762x2, 86777, 86778, 86644, 86645, 86695x2, 86696x2
Internal Comments 9/11/17 swapped out herpes panel for components
3630376 Herpes Simplex Virus Type 1 and Type 2 Antibodies
5564505 Herpes Simplex Virus 1/2 IgM
- JK
10/23/17 up vol su - JK
4/20/2020 replaced 5564505 - Herpes Simplex 1 and 2 IgM Antibody with 3537938 - Herpes Simplex Virus Type 1/2 IgM IFA  - JK
4/20/2020 change cpt to
from
86762x2, 86777, 86778, 86644, 86645, 86694, 86695, 86696
(add CPT 86778 if Reflexed to .Toxo IgM IFA)
(add CPT 86762 if Reflexed to .Rubella IgM IFA)
(add CPT 86695, 86696 if Reflexed to .HSV 1/2 IgM by IFA)
(add CPT 86645 if Reflexed to .CMV IgM IFA)
4/20/20 removed reflex text
If the HSV 1/2 IgM is equivocal or positive to the following test code is reflexed. (not available to order by itself only as reflex)
Order Code [3537938.HSV 1/2 IgM by IFA
Result Code: [5580700] Herpes Simplex Type 1 IgM by IFA - LOINC: 50758-2 
Result Code: [3537943] Herpes Simplex Type 2 IgM by IFA - LOINC: 26927-4

2.8.24 - removed (add CPT 86778 if Reflexed to .Toxo IgM IFA)
(add CPT 86762 if Reflexed to .Rubella IgM IFA)
(add CPT 86645 if Reflexed to .CMV IgM IFA) - bm
These are no longer going to reflex
If Toxoplasma Antibodies IgM is equivocal or positive to the following test code is reflexed. (not available to order by itself only as reflex)
Order Code [5591800.Toxo IgM IFA
Result Codes: [5591800Toxo IgM IFA - LOINC: 5391-8

If the Rubella virus Antibodies IgM is equivocal or positive to the following test code is reflexed. (not available to order by itself only as reflex)
Order Code [5573650.Rubella IgM IFA
Result Codes: [4004361Rubella IgM IFA - LOINC: 49107-6

If Cytomegalovirus (CMV) Antibodies IgM is equivocal or positive to the following test code is reflexed. (not available to order by itself only as reflex)
Order Code [5567800.CMV IgM IFA
Result Codes: [5567800CMV IgM IFA - LOINC: 5127-6
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Immunology - Serology