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Test Code DHR Dihydrorhodamine Flow Cytometric Test, Blood

Important Note

Order miscellaneous send out test SNDOUT in EPIC

Specimen Type

WB Sodium Heparin


Shipping Instructions


Specimens are required to be received in the laboratory weekdays and by 4 p.m. on Friday. Draw and package specimen as close to shipping time as possible. Ship specimen overnight in an Ambient Shipping Box-Critical Specimens Only (T668) following the instructions in the box.

 

It is recommended that specimens arrive within 24 hours of draw.

 

Samples arriving on the weekend and observed holidays may be canceled.



Necessary Information


Ordering physician name and phone number are required.



Specimen Required


Both a whole blood sodium heparin specimen and a whole blood sodium heparin control specimen from an unrelated, healthy donor are required.

 

Supplies: Ambient Shipping Box-Critical Specimens Only (T668)

 

Patient:

Container/Tube: Green top (sodium heparin)

Specimen Volume: 5 mL

Collection Instructions: Send specimen in original tube. Do not aliquot.

 

Normal Control:

Container/Tube: Green top (sodium heparin)

Specimen Volume: 5 mL

Collection Instructions:

1. Draw a control specimen from a normal (healthy), unrelated person within an hour of the patient.

2. Label clearly on outermost label normal control.

3. Send specimen in original tube. Do not aliquot.


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
WB Sodium Heparin Ambient 48 hours GREEN TOP/HEP

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject

Reference Values

Result Name

Unit

Cutoff for Defining Normal

% PMA ox-DHR+

%

≥95%

MFI PMA ox-DHR+

MFI

≥60

% fMLP ox-DHR+

%

≥10%

MFI fMLP ox-DHR+

MFI

≥2

Control % PMA ox-DHR+

%

≥95%

Control MFI PMA ox-DHR+

MFI

≥60

Control % fMLP ox-DHR+

%

≥10%

Control MFI fMLP ox-DHR+

MFI

≥2

 

The appropriate age-related reference values for Absolute Neutrophil Count will be provided on the report.

Day(s) and Time(s) Performed

Monday through Friday

Specimen must be received by 4 p.m. on Friday.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86352 x2

Method Name

Flow Cytometry