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Test Code OBPAN Obstetric Panel

Useful For

Screening to identify the presence of disease and aid in diagnosis.

Synonyms/Keywords

Prenatal panel; EPRENATE

Specimen Requirements

Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No Serum
and
Whole Blood  
Pink Top Tube (PTT) Red Top Tube (RTT) or Serum Separator Tube (SST) EDTA whole blood (Lavender Top Tube)   6 mL whole blood (Pink Top Tube for transfusion service) 4 mL serum 3 mL EDTA whole blood (Lavender Top Tube)    

 

Collection/Processing Instructions

 

CBC with automated differential to be performed at local site; other tests to be sent to Marshfield Center.

High doses of exogenous biotin (also termed Vitamin B7, Vitamin H or Coenzyme R) may interfere with this assay (HAA). It is recommended that patients refrain from consuming any multivitamin or supplement containing biotin for at least 72 hours prior to collection of a blood sample.

Specimen Stability Information

Specimen Type Temperature Time
Whole blood Refrigerate <48 hours
Serum Refrigerate 4 days

Rejection Criteria

Gross hemolysis
Frozen specimens
Clotted specimens
IV or tissue fluid diluted specimens

Test Components

Panel includes a CBC with automated differential, Blood Typing (ABO and Rh factor) and Antibody Screen (EPRENATE), Syphilis IgG Antibody, Rubella Antibody, Hepatitis B Surface Antigen, Hepatitis C Antibody and HIV-1,2 Ab/Ag by EIA with Confirmation.

Test Information

Results of all tests are only reported upon completion of the entire panel

Interferences

High doses of exogenous biotin (also termed Vitamin B7, Vitamin H or Coenzyme R) may interfere with this assay (HAA).

Reference Range Information

Performing Location Reference Range
Marshfield

See individual test listings for reference ranges

Marshfield Labs Performing Department

Marshfield Labs Various Sections

Performing Information

Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield-Transfusion Services ABO and Rh factor: Monday through Sunday Less than 2 hours Solid Phase Red Cell Adherence
Marshfield-Transfusion Services Antibody Screen: Monday through Sunday Less than 2 hours Solid Phase Red Cell Adherence
Marshfield-Immunodiagnostics Syphilis Antibody IgG: Monday through Friday 1 day MultiPlex Flow Immunoassay/Bio-Rad BioPlex 2200
Marshfield- Immunodiagnostics Rubella Antibody: Monday through Friday 1 day MultiPlex Flow Immunoassay/Bio-Rad BioPlex 2200
Marshfield-Chemistry Hepatitis B Surface Antigen: Monday through Friday 1 day Chemiluminescent/Siemens Advia Centaur
Marshfield-Chemistry CBC with Automated Differential: Monday through Sunday Less than 2 hours Beckman DxH800 with Light Microscopy
Marshfield-Chemistry Hepatitis C Antibody: Monday through Friday 1 day Sandwich Chemiluminometric Immunoassay/Siemens Centaur
Marshfield-Chemistry HIV-1,2 Ab/Ag by EIA with Confirmation: Monday through Sunday 2 hours Sandwich Chemiluminometric Immunoassay/Siemens Centaur

CPT Codes

CPT Modifier
(if needed)
Quantity Description Comments
85025     CBC with auto diff  
87340     Hepatitis B Surface Antigen  
86762     Rubella Ab  
86850     Antibody screen  
86900     ABO  
86901     RH  
86780   1 Syphilis, treponemal  
86593   1 RPR (if needed)  
86780
 
1 TP-PA (if needed)  
87389   1 HIV-1 Ag, with HIV-1 and HIV-2 Abs, single result  

86689
  2 HIV-1 and HIV-2 (if needed)  

86702
  1 HIV-2 Antibody Evaluation (if needed)  

86701
  1 HIV-1 Antibody Evaluation (if needed)  
86803   1 Hepatitis C Antibody  

Outreach CPT Codes

CPT Modifier
(if needed)
Quantity Description Comments
85025     CBC with auto diff  
87340     Hepatitis B Surface Antigen  
86762     Rubella Ab  
86850     Antibody screen  
86900     ABO  
86901     RH  
86780   1 Syphilis, treponemal  
86593   1 RPR (if needed)  
86780
 
1 TP-PA (if needed)  
87389
 
  1 HIV-1 Ag, with HIV-1 and HIV-2 Abs, single result  

86689
  2 HIV-1 and HIV-2 (if needed)  

86702
  1 HIV-2 Antibody Evaluation (if needed)  
86701
 
  1 HIV-1 Antibody Evaluation (if needed)  
86803   1 Hepatitis C Antibody  

Ordering Applications

Ordering Application Description
Cerner Obstetric Panel
COM OB Panel