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22750 HLA-AB Low Resolution (2303)

HLA-AB Low Resolution (2303)
Test Code: HLATX
Synonyms/Keywords
​Ref Lab Code: 2303, HLA Typing for Transplant
Specimen Requirements
Submit 1 of the following sample types.​ ​ ​ ​ ​ ​
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Buccal swabs ​Buccal swabs ​ ​4 swabs ​3 swabs ​

Whole blood

or

Cord blood

 ​EDTA Lavender Top Tube (LTT) ​ ​14 mL ​5 mL ​
Collection Processing Instructions
​Indicate on specimen tube and requisition whether the sample is whole blood or cord blood. Contact Versiti Lab if sending cord blood or DNA. Test requisition must state if sample is from a "recipient", "donor" or "non-transplant" draw.  Send only 14 mL EDTA whole blood OR 4 buccal swabs if more than one HLA typing test is ordered.  Submit samples at room temperature. 
Specimen Stability Information
Specimen Type Temperature Time
​Buccal swabs OR ​Whole blood ​Ambient ​ ​7 days ​
Rejection Criteria
Refrigerated samples
​Frozen samples
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Versiti Monday, Wednesday, Friday​ 5-7 days​
PCR-rSSO​, -SSP (melt curve analysis), and/or Direct DNA Sequencing
Reference Lab
Versiti/Blood Center of Wisconsin
Reference Range Information
No reference ranges are available.
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
81373​ ​ 2​ One locus each (HLA-A and B)​ ​
Synonyms/Keywords
​Ref Lab Code: 2303, HLA Typing for Transplant
Ordering Applications
Ordering Application Description
​Centricity ​HLA Typing-Recipient
​Cerner ​HLA Typing for Transplant-Blood Ctr (2303)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Submit 1 of the following sample types.​ ​ ​ ​ ​ ​
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​Buccal swabs ​Buccal swabs ​ ​4 swabs ​3 swabs ​

Whole blood

or

Cord blood

 ​EDTA Lavender Top Tube (LTT) ​ ​14 mL ​5 mL ​
Collection Processing
​Indicate on specimen tube and requisition whether the sample is whole blood or cord blood. Contact Versiti Lab if sending cord blood or DNA. Test requisition must state if sample is from a "recipient", "donor" or "non-transplant" draw.  Send only 14 mL EDTA whole blood OR 4 buccal swabs if more than one HLA typing test is ordered.  Submit samples at room temperature. 
Specimen Stability Information
Specimen Type Temperature Time
​Buccal swabs OR ​Whole blood ​Ambient ​ ​7 days ​
Rejection Criteria
Refrigerated samples
​Frozen samples
Reference Range Information
No reference ranges are available.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Versiti Monday, Wednesday, Friday​ 5-7 days​
PCR-rSSO​, -SSP (melt curve analysis), and/or Direct DNA Sequencing
Reference Lab
Versiti/Blood Center of Wisconsin
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
81373​ ​ 2​ One locus each (HLA-A and B)​ ​
For most current information refer to the Marshfield Laboratory online reference manual.