Ordering Recommendation

Monitor inflammation caused by asthma. Optimize corticosteroid treatment in asthmatic patients.

Mnemonic
EC PROT
Methodology

Quantitative Fluorescent Enzyme Immunoassay

Performed

Sunday

Reported

1-8 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Serum separator tube (SST).

Specimen Preparation

Collect blood by venipuncture using Serum separator tube (SST). Gently invert the tube several times. Do not shake or vortex the tube. Release ECP by clotting for 60-120 minutes at room temperature (20-24° C). Centrifuge at 1000-1300 x g for 10 minutes at room temperature. Transfer 1ml of serum to an ARUP Standard Transport Tube (Min: 0.25 mL)

Storage/Transport Temperature

Frozen, Also acceptable; Refrigerated

Unacceptable Conditions

Plasma, hemolyzed, lipemic and icteric serum cannot be used.

Remarks
Stability

After separation from cells; Ambient: 48 hours, Refrigerated: 5 Days, Frozen: 30 Days

Reference Interval

Less than 17.8 ug/L

Interpretive Data

Test developed and characteristics determined by ARUP Laboratories. See Compliance Statement B: aruplab.com/CS

Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

83520

Components
Component Test Code* Component Chart Name LOINC
3000538 Eosinophil Cationic Protein 25638-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Eosinophil Cationic Protein (ECP)