Sign in →

Test Code DHRF Dihydrorhodamine (DHR) Flow Cytometric N-Formyl-Methionyl-Leucyl-Phenylalanine (fMLP) Test, Blood

Useful For

Diagnosis of Rac2 deficiency

Reporting Name

DHR Flow fMLP, B

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. It is recommended that specimens arrive within 24 hours of draw. Ship specimen overnight in an Ambient Mailer-Critical Specimens Only (T668).

 

Samples arriving on the weekend may be canceled.

Necessary Information


Ordering physician name and phone number are required.



Specimen Required


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

 

Supplies:  Ambient Mailer - 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
WB Sodium Heparin Ambient 48 hours

Reference Values

Result Name

Unit

Cutoff for defining normal

% fMLP ox-DHR+

%

≥10%

MFI fMLP ox-DHR+

MFI

≥2

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 Medical Laboratories in Rochester

Test Classification

This test was developed using an analyte specific reagent. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

82657

88184

LOINC Code Information

Test ID Test Order Name Order LOINC Value
DHRF DHR Flow fMLP, B In Process

 

Result ID Test Result Name Result LOINC Value
ANC Absolute Neutrophil Count 751-8
FMPPP % FMLP ox-DHR+ 85373-9
FMPM MFI fMLP ox-DHR+ 85370-5
ANCC Control Absolute Neutrophil Count 85369-7
FMPPC Control % fMLP ox-DHR+ 85372-1
FMPMC Control MFI fMLP ox-DHR+ 85371-3
DHRFI Interpretation 69052-9

Method Name

Flow Cytometry