Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

EHRLICHIA CHAFFEENSIS DNA, REAL-TIME PCR

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1092         Geisinger Epic ID: 52293

SPECIMEN COLLECTION
Specimen type:
Whole blood
Preferred collection container:
Specimen required:
0.7 mL whole blood (minimum 0.3 mL) collected in an EDTA (lavender-top) tube.

SPECIMEN PROCESSING
Transport temperature:
Refrigerated (cold packs).
Specimen stability:
Whole blood: Room Temperature: 48 hours. Refrigerated: 7 days. Frozen: Unacceptable.
Rejection criteria:
Hemolysis • Heparin whole blood

TEST DETAILS
CPT code(s):
87798
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Real-time Polymerase Chain Reaction (PCR)
Synonyms:
Quest test code 11353 E Chaff PCR
Clinical significance:
Ehrlichia chaffeensis DNA PCR is a highly sensitive method to detect the presence of ehrlichia chaffeensis DNA in clinical specimens. The diagnosis of ehrlichia chaffeensis infection should not rely solely upon the result of PCR assay. A positive result should be considered in conjunction with clinical presentation and additional established clinical tests. Moreover, this assay cannot differentiate between viable and nonviable organisms. A negative PCR result indicates the absence of ehrlichia chaffeensis DNA at detectable levels in the sample tested and does not exclude the diagnosis of disease.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Mon-Sat a.m.; Report available: 1-2 days    
Performed stat? No
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