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Immunoglobulin free light chains, serum-7869

Test info

Test name:

Immunoglobulin free light chains, serum

Test number:

7869

Excellian order number:

LAB7869

Abbreviation:

IFL

Alternate names:

IMMGLB
Kappa/Lambda free light chains

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediatley following collection, mix sample by gently inverting 5 times

Processing instructions:

1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection

Transport container:

Gold serum separator (SST) tube

Transport and stability:

Refrigerated (preferred) - 21 days

Frozen (OK)

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Improper anticoagulant or ratio
Delay in transport
Improper storage temperature affecting results
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performance

Performing lab:

AHL - Immunology: I

Days set up:

Mo - Fr

TAT:

2 - 5 days

Method:

Turbidimetric

Clinical and Interpretive info

Reference ranges:

Kappa free: 0.33 - 1.94 mg/dL

Lambda free: 0.57 - 2.63 mg/dL

Kappa/Lambda FLC ratio: 0.26 - 1.65

Billing

CPT codes:

83521 x 2

Hospital EAP/charge code:

17022550
17022551

Clinic EAP/charge code:

308352100
308352101

Tracking

Date created:

06/01/2007

Revised date:

04/27/2022

Review date:

01/24/2024