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ELP and free light chains with reflex to immunofixation, serum-12471

Test info

Test name:

ELP and free light chains with reflex to immunofixation, serum

Test number:

12471

Excellian order number:

LAB12471

Abbreviation:

SEPI
SPEP

Tests included:

SEP
Serum free light chains
Reflex to immunofixation if a peak is quantified

Specimen

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

3.0 mL

Minimum volume:

1.0 mL

Collection instructions:

Immediately following collection, thoroughly mix sample by gently inverting 5 times

Processing instructions:

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

Transport container:

Gold serum separator (SST) tube

Transport and stability:

Refrigerated (preferred) - 14 days

Ambient - NO

Frozen - 3 months if frozen within 24 hours

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-E

Days set up:

Mo - Fr

TAT:

2 - 4 days

Method:

ELP: Capillary Zone Electrophoresis

Immunofixation: Electrophoresis

Free light chains: Nephelometry

Clinical and Interpretive info

Reference ranges:

See report

Billing

CPT codes:

83521 x 2
84165

Hospital EAP/charge code:

17022550
17021551
17004335

Clinic EAP/charge code:

308352100
308352101
308416500

Tracking

Date created:

04/11/2016

Revised date:

03/14/2024

Review date:

01/02/2024