Find Locations
For hours, walk-ins and appointments.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.
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, draw 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
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
Bakesi JG, Grenier K, Roboz J, et al. CD8 lymphocyte subsets provide prognostic measure of HIV disease progression. Int Conf AIDS. 1990; 6:218. Abstract SB 528.
Grenier K, Bach BA, Campbell D, et al. Discordant expression of T-cell activation markers (HLA-DR, CD38, CD25, CD69) as indicators of cellular immune response to HIV infection. Int Conf AIDS. 1990; 6:141. Abstract SA 237.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505350 | Absolute CD 3 | /uL | 8122-4 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505324 | % CD 3 Pos. Lymph. | % | 8124-0 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505351 | Absolute CD 4 Helper | /uL | 24467-3 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505326 | % CD 4 Pos. Lymph. | % | 8123-2 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505352 | Absolute CD 8 (Supp) | /uL | 14135-8 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505328 | % CD 8 Pos. Lymph. | % | 8101-8 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505157 | % CD3+CD25+ Lymphs | % | 13333-0 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505158 | Abs.CD3+CD25+ Lymphs | /uL | 26997-7 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505087 | % CD8+CD57+ Lymphs | % | 13338-9 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505088 | Abs.CD8+CD57+ Lymphs | /uL | 18350-9 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 505333 | CD4/CD8 Ratio | 54218-3 | |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 005025 | WBC | x10E3/uL | 6690-2 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 005033 | RBC | x10E6/uL | 789-8 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 005041 | Hemoglobin | g/dL | 718-7 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 005058 | Hematocrit | % | 4544-3 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015065 | MCV | fL | 787-2 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015073 | MCH | pg | 785-6 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015081 | MCHC | g/dL | 786-4 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 105007 | RDW | % | 788-0 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015172 | Platelets | x10E3/uL | 777-3 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015107 | Neutrophils | % | 770-8 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015123 | Lymphs | % | 736-9 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015131 | Monocytes | % | 5905-5 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015149 | Eos | % | 713-8 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015156 | Basos | % | 706-2 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 115398 | Immature Cells | N/A | |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015909 | Neutrophils (Absolute) | x10E3/uL | 751-8 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015917 | Lymphs (Absolute) | x10E3/uL | 731-0 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015925 | Monocytes(Absolute) | x10E3/uL | 742-7 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015933 | Eos (Absolute) | x10E3/uL | 711-2 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015941 | Baso (Absolute) | x10E3/uL | 704-7 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015108 | Immature Granulocytes | % | 71695-1 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015911 | Immature Grans (Abs) | x10E3/uL | 53115-2 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 015945 | NRBC | % | 58413-6 |
| 505321 | Lymphocyte Act. Profile | 65759-3 | 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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The LOINC® codes are copyright © 1994-2021, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf