Sign in →

Test Code NBLD0283 Calcium/Creatinine Index, Urine

Useful For

A screening tool to assess parathyroid disease and familial hypocalciuric hypercalcemia (FHH).


Bichromatic End point/Kinetic Alkaline Picrate (Jaffe)/Bichromatic Rate

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Urine

Container/Tube: Clean container

Specimen Volume: 10 mL

Collection Instructions:

1. Collect a random urine collection.

2. No preservative.

Specimen Transport Temperature

Ambient <8 hours/Refrigerated >8 hours

Specimen Stability


Specimen Type Temperature Time
Urine Ambient 8 hours
  Refrigerated 3 days


Reference Values

Calcium/Creatinine Ratio: 0.00-14.00

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding