PNH Profile (FLOW Cytometry)

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.

Contact Flow Cytometry (937-208-6687 or 1-800-686-2252 option 3, option 2) as soon as the specimen is collected. Any specimen collected on Friday & or the week day prior to a Holiday must be called by 4:00 pm for appropriate arrangements to be made.


Test Code
73878


Alias/See Also
Paroxysmal Nocturnal Hemoglobinuria


CPT Codes
88184(1)(first marker), 88185 x# of markers minus the first marker, 88187 or 88188 or 88189 dependent upon the number of markers interpreted.

Includes
CD45, CD2, CD3, CD4, CD5, CD7, CD8, CD19, CD20, kappa, lambda, CD14, HLA-DR, CD10, CD24, CD55, CD59, CD64, FLAER.


Preferred Specimen
VENOUS PERIPHERAL BLOOD ONLY: 5 mL peripheral blood Sodium Heparin (dark green top) tube and 5 mL peripheral blood K2EDTA (lavender top) tube, keep both at room temperature, results of a current CBC and a peripheral blood smear may be submitted in place of the K2EDTA (lavender top)  tube. (minimum 2 - 3 mLs) 


Minimum Volume
VENOUS PERIPHERAL BLOOD: (minimum 2 -3 mLs)


Instructions
Sodium Heparin and K2EDTA: Avoid hemolysis. Gently invert 10 times.


Transport Container
Sodium Heparin (dark green top) tube and K2EDTA (lavender top) tube


Transport Temperature
Room Temperature and transport without delay.
 


Specimen Stability
VENOUS PERIPHERAL BLOOD:
      Room temperature = 24 hours post collection
      Refrigerated = unacceptable
      Frozen = unacceptable


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
clotted, gross hemolysis or greater than 24 hours old; microcontainers; finger or heel sticks


Methodology
Flow Cytometry

Setup Schedule
Analysis performed Monday - Friday 7:00 am - 6:00 pm. Test not performed on weekends.
RFMVH


Report Available
1 - 2 days


Clinical Significance
To determine the presence of a PNH clone.


Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439


Last Updated: August 4, 2022


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.