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HelpTest Code LAB550 Obstetrics Panel
Useful For
Prenatal screening for pregnant women
Profile Information
| Test Code | Test Name | Methodology |
Available Separately |
Always Performed |
|---|---|---|---|---|
| LAB276 | Type & Screen | Automated | Yes | Yes |
| LAB293 | CBC with Automated Differential | Automated | Yes | Yes |
| LAB471 | Hepatitis B Surface Antigen | Electrochemiluminescence Immunoassay (ECLIA) | Yes | Yes |
| LAB866 | Syphilis Antibodies IgG and IgM with Reflex | Electrochemiluminescence Immunoassay (ECLIA) | Yes | Yes |
| LAB496 |
Rubella IgG Antibody, Immune Status |
Electrochemiluminescence Immunoassay (ECLIA) | Yes | Yes |
| LAB868 | Hepatitis C Antibody Reflex to HCV RNA Quant | Electrochemiluminescence Immunoassay (ECLIA) | Yes | Yes |
Testing Algorithm: If Syphilis IgG and IgM antibodies are reactive, test LAB207/338 will be reflexed, at an additional charge. If Hepatitis C antibodies are reactive, test LAB1834 will be reflexed, at an additional charge.
Reflex Tests
| Test Code | Test Name | Methodology | Performing Laboratory |
Available Separately |
Always Performed |
|---|---|---|---|---|---|
| LAB1834 | Hepatitis C RNA Quantitative, NAT Monitoring | RT-PCR | Sanford Laboratories | Yes | No |
|
LAB338 |
Syphilis Serology with Confirmation: VDRL with TP-PA |
Microscopic Flocculation/Agglutination | Montana State Public Health Laboratory | Yes | No |
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Three specimens are required.
Type and Screen
Specimen Type: Whole blood
Container/Tube: Pink top preferred (K2 EDTA), or Purple top (EDTA)
Specimen Volume: 6 mL
Specimen Minimum Volume: 3 mL
Collection Instructions: Do not centrifuge. Forward unprocessed whole blood promptly.
Specimen Rejection: Gel tubes are not acceptable. Specimen must be labeled properly. This test is affected by gross hemolysis.
CBC with Automated Differential
Note: Specimen must arrive within 24 hours of draw.
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA) or lavender top (EDTA) Microtainer
Specimen Volume: 4 mL
Collection Instructions: If there is a delay in transport of >24 hours, refrigerate specimen and send specimen refrigerated.
Hepatitis, Syphilis IgG and IgM, and Rubella
Specimen Type: Serum
Container/Tube: Red top or gold top
Specimen Volume: 5 mL
Specimen Minimum Volume: 3 mL
Collection Instructions: Spin down within 2 hours of draw and remove serum from cells.
Specimen Transport Temperature
Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole blood EDTA (Type and Screen) | Ambient | 24 hours |
| Refrigerated | 10 days | |
| Whole blood EDTA (CBC) | Ambient | 24 hours |
| Refrigerated | 48 hours | |
| Serum (Hepatitis, Rubella, Syphilis) | Ambient | 8 hours |
| Refrigerated | 3 days | |
| Frozen | 3 months |
Reference Values
See individual test listings
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
86780
85025
87340
87341 (if needed)
86850
86762
86803
87522