Ordering Recommendation

May aid in the evaluation of lung inflammation or injury in various types of ILD.

Mnemonic
KL 6
Methodology

Quantitative Immunoturbidimetric

Performed

Thu

Reported

1-8 days

New York DOH Approval Status
Specimens from New York clients will be sent out to a New York DOH approved laboratory, if possible.
Specimen Required
Patient Preparation
Collect

Plain Red

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1.5 mL serum to ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated

Unacceptable Conditions

Hemolyzed, hyperlipemic, icteric, heat-treated or contaminated.

Remarks
Stability

Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month

Reference Interval

0-500 U/mL

Interpretive Data

Krebs von den Lungen-6 (KL-6) is an indicator of lung inflammation or damage. Elevated levels are associated with various types of interstitial lung diseases (ILD).

Abnormal KL-6 results should be interpreted in the appropriate clinical context. A negative result does not rule out ILD.

Compliance Category

Laboratory Developed Test (LDT)

Note

Samples with results greater than 10,000 U/mL will be diluted to the maximum reportable range (>40,000 U/mL).

Hotline History
N/A
CPT Codes

83520

Components
Component Test Code* Component Chart Name LOINC
3001867 Krebs von den Lungen-6 93369-7
* 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
  • KL 6
  • KL6
Krebs von den Lungen-6