Health Lab

Test Name:

ALLERGEN - CAT DANDER IgE (E1)

Test Code:

2127928

Alias:

LAB1668

CPT Code(s):

86003

Preferred Specimen:

0.3 mL serum

Container:

SST (gold)

Alternate Container:

Sodium Heparin (green)
EDTA (lavender)

Minimum Volume:

0.2 mL serum or plasma
This volume does not allow for repeat testing.

Collection Instructions:

Allow serum specimen to completely clot (this can take up to 60 minutes). Centrifuge for 15 minutes. If the specimen is collected in a tube without a gel barrier, centrifuge and transfer the plasma into a properly labeled transfer tube within 2 hours of collection.

Transport Temperature:

Refrigerated

Stability:

Refrigerated: 7 days

Frozen: 30 days

Schedule:

Set up: Mon-Fri; Results in 3-5 days

(Not set up on holidays)

Method:

Sandwich immunoassay

Clinical Significance:

Allegen assays are used as a diagnostic aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with other clinical findings.

Use:

Updated 2/29/24

Reference Ranges:

Interpretive Guide:

Class 0: Absent/Undetectable/Negative (< 0.1 KUA/L)

Class 0/1: Very low level (0.1 KUA/L – 0.34 KUA/L)

Class 1: Low level of allergy (0.35 KUA/L – 0.69 KUA/L) indicative of ongoing sensitization.

Class 2: Moderate level of allergy (0.70 KUA/L – 3.49 KUA/L) indicative of stronger ongoing sensitization.

Class 3: High level of allergy (3.5 KUA/L – 17.4 KUA/L) indicative of high level sensitization.

Class 4: Very high level of allergy (17.50 KUA/L – 49.99 KUA/L) indicative of very high level sensitization.

Class 5: Very high level of allergy (50.00 KUA/L – 99.9 KUA/L) indicative of very high level sensitization.

Class 6: Very high level of allergy (≥ 100.0 KUA/L) indicative of very high level sensitization.

Tests performed utilizing ImmunoCap Specific IgE allergen methodology.

Reference Range Table

Result	Units	Gender	Age	Range
Cat Dander IgE (E1)	KUA/L	Both	0 Year - 999 Year	<0.1

The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.