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Test Name

Kappa/Lambda Light Chains, Free with Ratio and Reflex to Immunofixation

CPT Code(s)

83883 (x2)

Includes

If Kappa/Lambda, Free is <0.26 or >1.65, Immunofixation will be performed at an additional charge (CPT code(s): 86334).

Methodology

Nephelometry

Reflex: Immunofixation

Reference Range(s)

Kappa Light Chain, Free, Serum 3.3-19.4 mg/L
Lambda Light Chain, Free, Serum 5.7-26.3 mg/L
Kappa/Lambda Light Chains Free with Ratio, Serum 0.26-1.65

Alternative Name(s)

Light Chains

To view specimen requirements and codes please Select a regional laboratory.

Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

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Kappa/Lambda Light Chains, Free with Ratio and Reflex to Immunofixation
15122