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Test Code OBP1 Obstetric Panel

Methodology

Profile Information:
Antibody ScreenRubella IgG Antibody
CBC (Complete Blood Count) with DifferentialSyphilis Antibody, IgG
Hepatitis B Surface Antigen (HBsAg)Thyroid-Stimulating Hormone (TSH)
Hepatitis C Virus Antibody (Anti-HCV)Type and Rh
HIV Types 1 and 2 Antibody Screen 
Note: If order requires Chlamydia and Neisseria by PCR, order OBP3 “Obstetric Panel with Chlamydia trachomatis and Neisseria gonorrhoeae.”

Method Name: 

See individual test listings.

Specimen Requirements

Two serum and 2 whole blood tubes are required.

 

Antibody Screen, Type and Rh

Submit only 1 of the following specimens:

 

Preferred:

Pink-Top Tube

Container/Tube: Pink-top (EDTA) “crossmatch” tube(s)-Plain, red-top tube or serum gel tube is not acceptable.

Specimen Volume: 6 mL to 7 mL (minimum volume: 4 mL) of whole blood

Collection Instructions: Forward promptly in original tube(s).

Note: Label specimen appropriately (blood for type and screen).

 

Alternate:

Lavender-Top Tube

Container/Tube: Lavender-top (EDTA) tube(s)-Plain, red-top tube or serum gel tube is not acceptable.

Specimen Volume: 6 mL to 7 mL (minimum volume: 4 mL) of whole blood

Collection Instructions: Forward promptly in original tube(s).

Note: Label specimen appropriately (blood for type and screen).

 

CBC

Specimen must arrive within 24 hours of draw.
 

Container/Tube: Lavender-top (EDTA) tube(s) with HemogardTM lid or lavender MICROTAINER® 

Specimen Volume: 3 mL (minimum volume: 1 mL/pediatric: 0.5 mL) of whole blood-Clotted or hemolyzed specimen is not acceptable.

Collection Instructions: Invert tube(s) several times to mix blood. Do not centrifuge. Forward promptly in original tube(s).

Note: Label specimen appropriately (blood for CBC).

 

Anti-HCV, HBsAg, HIV, TSH

Submit only 1 of the following specimens:
 
Preferred:

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum for anti-HCV, HBsAg, HIV, and TSH).

 

Alternate:

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum

Collection Instructions: Spin down within 4 hours of draw.

Note: Label specimen appropriately (serum for anti-HCV, HBsAg, HIV, and TSH).

 

Rubella, Syphilis

Submit only 1 of the following specimens:
 
Preferred:

Serum Gel Tube

Container/Tube: Serum gel tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum-Lipemic, icteric, or contaminated specimen is not acceptable.

Collection Instructions: Spin down within 2 hours of draw.

Note: Label specimen appropriately (serum for rubella and syphilis).

 

Alternate:

Plain, Red-Top Tube

Container/Tube: Plain, red-top tube(s)
Specimen Volume: 2 mL (minimum volume: 1 mL) of serum-Lipemic, icteric, or contaminated specimen is not acceptable.

Collection Instructions: Spin down within 2 hours of draw.

Note: Label specimen appropriately (serum for rubella and syphilis).

Specimen Transport Temperature

Refrigerate-Antibody Screen, Type and Rh, HIV, Rubella, Syphilis, TSH

Ambient-CBC

Refrigerate <48 hours/Frozen OK-HBsAg, Anti-HCV

Day(s) Test Set Up

Antibody Screen: Monday through Sunday

CBC (Complete Blood Count) with Differential: Monday through Sunday

Hepatitis B Surface Antigen (HBsAg): Monday through Friday

Hepatitis C Virus Antibody (Anti-HCV): Monday through Friday

HIV Types 1 and 2 Antibody Screen: Tuesday, Thursday

Rubella IgG Antibody: Monday through Friday

Syphilis Antibody, IgG: Tuesday, Thursday

Thyroid-Stimulating Hormone (TSH): Monday through Sunday

Type and Rh: Monday through Sunday

Performing Laboratory

Kalispell Regional Medical Center Laboratory

Reference Values

See individual test listings.

Test Classification and CPT Coding

84443-TSH

85025-CBC with differential

86703-HIV

86762-Rubella antibody screen

86780-Treponema pallidum

86803-Hepatitis C

86850-Antibody screen, RBC

86900-ABO

86901-Rh (D)

87340-HbsAg