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Expected Turnaround Time
1 - 3 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Related Documents
Specimen Requirements
Specimen
Whole blood
Volume
Fill tube(s) to capacity.
Container
Lavender-top (EDTA) tube and yellow-top (ACD-A) or (ACD-B) tube
Collection
Invert tube 8 to 10 times immediately after collection. To preserve cellular viability, collect specimen so it will arrive in the laboratory within 48 hours of collection. Indicate date and time of venipuncture on the tube(s) and on the test request form.
Storage Instructions
Maintain specimen at room temperature. Do not freeze or refrigerate.
Causes for Rejection
Specimen refrigerated or frozen; clotted specimen; hemolysis; contamination
Test Details
Use
Monitor the CD57 lymphocyte subset in patients with chronic Lyme disease
Limitations
This test was developed, and its performance characteristics determined, by LabCorp. It has not been cleared or approved by the US Food and Drug Administration (FDA).
Methodology
Flow cytometry
References
Lanier L, Jackson A. Monoclonal antibodies: Differentiation antigens expressed on leukocytes. In: Rose N, deMacario E, Fahey J, et al, eds. Manual of Clinical Laboratory Immunology. 4th ed. Washington DC: American Society for Microbiology;1992:chap 23.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 505026 | HNK1 (CD57) Panel | 61121-0 | 505179 | % CD8-/CD57+ Lymphs | % | 61121-0 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 505181 | Abs.CD8-CD57+ Lymphs | /uL | 61122-8 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 005025 | WBC | x10E3/uL | 6690-2 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 005033 | RBC | x10E6/uL | 789-8 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 005041 | Hemoglobin | g/dL | 718-7 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 005058 | Hematocrit | % | 4544-3 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015065 | MCV | fL | 787-2 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015073 | MCH | pg | 785-6 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015081 | MCHC | g/dL | 786-4 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 105007 | RDW | % | 788-0 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015172 | Platelets | x10E3/uL | 777-3 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015107 | Neutrophils | % | 770-8 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015123 | Lymphs | % | 736-9 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015131 | Monocytes | % | 5905-5 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015149 | Eos | % | 713-8 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015156 | Basos | % | 706-2 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 115398 | Immature Cells | N/A | |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015909 | Neutrophils (Absolute) | x10E3/uL | 751-8 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015917 | Lymphs (Absolute) | x10E3/uL | 731-0 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015925 | Monocytes(Absolute) | x10E3/uL | 742-7 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015933 | Eos (Absolute) | x10E3/uL | 711-2 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015941 | Baso (Absolute) | x10E3/uL | 704-7 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015108 | Immature Granulocytes | % | 71695-1 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015911 | Immature Grans (Abs) | x10E3/uL | 53115-2 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015945 | NRBC | % | 58413-6 |
| 505026 | HNK1 (CD57) Panel | 61121-0 | 015180 | Hematology Comments: | 18314-5 |
| Reflex Table for Immature Cells | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 115399 | Immature Cells | 115400 | Bands | % | 35332-6 |
| Reflex Table for Immature Cells | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 115399 | Immature Cells | 115401 | Metamyelocytes | % | 28541-1 |
| Reflex Table for Immature Cells | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 115399 | Immature Cells | 115403 | Myelocytes | % | 26498-6 |
| Reflex Table for Immature Cells | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 115399 | Immature Cells | 115404 | Promyelocytes | % | 26498-6 |
| Reflex Table for Immature Cells | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 115399 | Immature Cells | 115405 | Blasts/blast like cells | % | 26498-6 |
| Reflex Table for Immature Cells | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 115399 | Immature Cells | 115406 | Megakaryocytes | % | 19252-6 |
| Reflex Table for Immature Cells | ||||||
|---|---|---|---|---|---|---|
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
| Reflex 1 | 115399 | Immature Cells | 115265 | Other, Lineage Uncertain | % | 55433-7 |
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