CPT Code:

82131

Synonyms:

PEA.

Availability:

Monday - Friday, 0800 - 1700.

Turnaround Time:

One week.

Minimum Volume:

0.3 mL (at least 2.0 mL preferred).

Container:

Durable, tightly sealed plastic urine container (not a urine cup).

Specimen Handling:

Random urine, morning specimen preferred.  Refrigerate or freeze without preservative.

Interpretive Reference Range:

    Normal:   <15 years =  83 - 222 micromoles/gram creatinine.
                   15 - 30 years =  42 - 146 micromoles/gram creatinine.
                   31 - 41 years =  38 - 155 micromoles/gram creatinine.
                   >45 years =  48 - 93 micromoles/gram creatinine.

Use:

Increased in hypophosphatasia and other metabolic bone diseases.

Methodology:

Ion exchange chromatography.