UW Hospital and Clinics Lab Test Directory
| Test Name: |
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Antibody Screen
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| Test Code(s): |
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NABS / ABSCR
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| CPT Code(s): |
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86850
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| Test Description: |
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Included In: This test is also included in a Type and Screen and Type and Crossmatch.
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| Methodology: |
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Hemagglutination, Microtube Column Agglutination, or Solid-Phase
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| Days Performed: |
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Daily, 24 hours.
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| Turnaround Time: |
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Stat: 1 hour.
Routine: 8 hours.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Instructions: |
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Indicate collection date and time on specimen.
Specimens collected in red top tubes are acceptable but will cause delay in testing.
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| Collection Container: |
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Preferred: Pink top tube (adult) or 2 mL lavender top acceptable for pediatric or neonate
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| Collection Volume: |
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Preferred: 6 mL
Pediatrics: 2 mL
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| Sample Analyzed: |
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Plasma
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| Specimen Processing: |
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Do NOT open or centrifuge tube.
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| Specimen Transport: |
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Transport specimen to UWHC Transfusion Service (C7/381) or send to tube station 134.
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| Unacceptable Criteria: |
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Specimens collected in red cap with yellow ring (SST) tubes, or green cap with yellow ring (PST) tubes, are not acceptable.
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| Stability: |
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Ambient: 24 hours
Refrigerated: 3 days
Frozen: 1 year
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Interpretation
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Expected Results:
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Negative
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| Additional Information: |
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This test is also called an Indirect Antiglobulin Test.
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Coombs Antibody Screen
Indirect coombs
Indirect antiglobulin test
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