| Test Name: |
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HLA, Hold for Possible Crossmatch
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| Test Code(s): |
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HLAR / HCHLAR
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| CPT Code(s): |
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N/A
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| Clinical Significance: |
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This test only serves to collect a red top or result a mailed-in serum specimen as drawn and received by the HLA Laboratory. No testing is performed on the specimen collected without a separate test request.
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Specimen Requirements
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| Specimen: |
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Blood
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| Collection Container: |
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Preferred: Red top
Also Acceptable:
Red cap with yellow ring (SST)
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| Collection Volume: |
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Preferred: 4 mL
Pediatrics: 2 mL
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| Sample Analyzed: |
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Serum
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| Volume Required: |
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Preferred: 2 mL
Pediatrics: 1 mL
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| Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220) immediately. Refrigeration not necessary but acceptable. Serum separated from the clot can be sent frozen.
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| Outreach Specimen Transport: |
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Transport specimen to UWHC Core Laboratory (B4/220) immediately. Refrigeration not necessary but acceptable. Serum separated from the clot can be sent frozen. Shipping by first class mail is acceptable if postal regulations for packaging are followed.
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| Stability: |
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Ambient: 5 days
Refrigerated: 5 days
Frozen: 2 weeks
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Interpretation
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| Additional Information: |
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The only intent of this order is to collect or document receipt of a specimen from potential organ recipients for potential future HLA crossmatch.
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