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Test Code 7967 Obstetric Panel

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Profile Information:
Complete Blood Count (CBC) Rubella Antibodies, IgG
Hepatitis Bs Antigen (HBsAg) Type and Screen
Rapid Plasma Reagin (RPR), Qualitative  

Method Name:

See individual test listings.

Testing Algorithm:

If HBsAg is positive, then hepatitis Bs antigen confirmation will be performed, at an additional charge. If antibody screen is positive, then antibody identification and #9874 Antibody Titration, Blood may be performed, at an additional charge.

Specimen Requirements

2 EDTA tubes, 1 Pink Top Tube, 1 mint green tube, and 1 plain red top tube are required.

 

Hospital Patient

CBC

Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)-Pink-top (EDTA) tube is not acceptable.

Specimen Volume: Full tube

 

Collection Instructions: Immediately invert several times to mix blood.

Additional Information: Label specimen appropriately (blood for CBC).

 

Type and Screen

Specimen Type: Whole blood
Container/Tube: Pink top (EDTA)-Separator gel tube is not acceptable.

Specimen Volume: Full tube

 

Additional Information:

1. Specimen must be labeled with barcode label or addressograph imprint including patient’s name, hospital registration number, and date of birth.
2. Specimen must have 2 signatures (phlebotomist and witness). Initials are not acceptable.

 

HBsAg  

Specimen Type: Serum
Container/Tube: Plain red top
Specimen Volume: Full tube

Additional Information: Label specimen appropriately

 

Rubella

Specimen Type:  Plasma

Container/Tube: Mint green tube

Specimen Volume:  Full tube

Additional Information:  Label specimen appropriately

 

RPR

Specimen Type: Serum
Container/Tube: Plain red top
Specimen Volume: Full tube

 

Additional Information: Label specimen appropriately (serum for RPR).

 

Non Hospital Patient:

CBC

Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)-Pink-top (EDTA) tube is not acceptable.

Specimen Volume: Full tube

 

Collection Instructions: Immediately invert several times to mix blood.

Additional Information: Label specimen appropriately (blood for CBC).

 

Type and Screen

Specimen Type: Whole blood
Container/Tube: Pink top (EDTA)-Separator gel tube is not acceptable.

Specimen Volume: Full tube

 

Additional Information:

1. Label tube with patient’s name, date of birth, and Social Security number.

2. Specimen must be signed by person drawing the specimen. Initials are not acceptable.

3. If a type and screen is also requested or is added to this request, the specimen must have 2 signatures (phlebotomist and witness). Initials are not acceptable. Specimens without 2 signatures may be tested but will not be used for crossmatch purposes.

 

HBsAg

Specimen Type: Serum
Container/Tube: Plain red top
Specimen Volume: Full tube

Specimen Minimum Volume: HBsAg-2 mL/Rubella-1 mL

Additional Information: Label specimen appropriately 

 

Rubella

Specimen Type:  Plasma

Container/Tube:  Mint green top

Specimen Volume:  Full tube

Additional Information:  Label specimen appropriately

 

RPR

Specimen Type: Serum
Container/Tube: Plain red top
Specimen Volume: Full tube

 

Additional Information: Label specimen appropriately (serum for RPR).

Day(s) Test Set Up

See individual test listings.

Reference Values

See individual test listings.

Test Classification and CPT Coding

80055-Obstetric panel

86870-Antibody identification (if appropriate)

86886-Antibody titration (if appropriate)

Additional Information

For BJH Laboratory Use Only

Alternate Tube:

See individual test listings.
Analyte Stability:

See individual test listings.
Laboratory Processing Instructions:

Tests performed in BJH Blood Bank and Core Lab. See individual test listings.
Note: Upon confirmation, all positive HBsAg results must be reported to the state within 7 days.

Specimen Transport Temperature

Ambient