Cell Surface Marker, Individual (Client 57792)

Test Code

38898

CPT Codes
88184<br>Restricted Client Code

Preferred Specimen

5 mL whole blood collected in sodium heparin (green-top) tube, or ACD solution B (yellow-top) tube, or EDTA (lavender or royal blue-top) tube, or lithium heparin (green-top) tube

Minimum Volume

1 mL

Other Acceptable Specimens

2 mL bone marrow collected in sodium heparin (green-top) tube, or ACD solution B (yellow-top) tube, or EDTA (lavender or royal blue-top) tube, or lithium heparin (green-top) tube • Buffy coat or CSF or Fluid or Peritoneal fluid or Pleural fluid • Fresh (unfixed) tissue

Instructions

5 mL whole blood (1 mL minimum) or 2 mL bone marrow (1 mL minimum) or fresh tissue in tissue culture media (such as RPMI). Must specify CD marker (call laboratory for availability of CD marker). Do not freeze.
⁠⁠⁠⁠⁠⁠⁠
Note: This assay is set up to test individual cell surface marker(s) and should not be used for CD4 testing for patients with HIV. Please call flow lab if you need further clarification. Optimum cell count for CSF per marker tested is 50,000.

Transport Temperature

Whole blood and bone marrow: Room temperature
All other specimens: Refrigerated (cold packs)

Specimen Stability

Whole blood or Bone marrow
Room temperature: 48 Hours
Refrigerated: Unacceptable
Frozen: Unacceptable

Buffy coat or CSF or Fluid or Peritoneal fluid or Pleural
fluid, or Fresh (unfixed) tissue
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received frozen • Bronchial washings

Methodology
Flow Cytometry

Setup Schedule

A.M.

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.