Bjproteinmsmtur
Key facts at a glance
- LOINC
- 110580-8
- Short code
- UFLCH
- Synonyms
- BJ Protein Msmt Ur
- Category
- chemistry
- Sample
- urine
- Container
- Sterile urine collection container; 24-hour urine container without preservatives preferred for 24-hour collections
- Units
- N/A
- Ref low
- 2.04
- Ref high
- 39.2
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- Immunonephelometry or Immunoturbidimetry
- CPT
- 83521
- SNOMED
- 313366001
- Specimen volume
- Random urine: 10-50 mL; 24-hour urine: complete 24-hour collection
- Stability
- Room temperature: 2 hours; Refrigerated (2-8°C): 7 days; Frozen (-20°C or below): 30 days. Avoid repeated freeze-thaw cycles.
- Hemolysis max
- 0
- Lipemia max
- 0
- Icterus max
- 0
- TAT
- 24–72 hours
- Order
- routine
Reference range
Kappa free light chains: <32.9 mg/L; Lambda free light chains: <4.9 mg/L; Kappa/Lambda ratio: 2.04-39.2 (or 0.7-3.1 depending on assay). 24-hour urine reference varies by laboratory. Normal urine contains only trace amounts of free light chains.N/A
No special preparation required. Patient should maintain normal hydration unless otherwise instructed. For 24-hour collection, discard first morning void and collect all subsequent urine for 24 hours including the final morning void.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy