Test Overview
Test Methodology

Phosphomolybdate UV Endpoint

Test Usage

Evaluation of phosphorus metabolism, calcium/phosphorus balance. Abnormal serum phosphate levels are commonly seen in kidney, bone and parathyroid diseases.

Reference Range *

<1 year: 4.8 - 7.0 mg/dL, 1-4 years: 3.8 - 5.8 mg/dL, 5-11 years: 3.5 - 5.6 mg/dL, 12-150 years: 2.7 - 4.6 mg/dL.

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

2 hours

Soft Order Code
PHOS
MiChart Code
Phosphorus
Synonyms
  • Inorganic Phosphate
  • PHOS
  • Phosphorus
  • PHOSPHORUS LEVEL
Laboratory
Chemical Pathology
Section
Automation
STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

Specimen Requirements
Collection Instructions

Collect specimen in an SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.

Alternate Specimen
Red top, Green top (sodium or lithium heparin) [11/09]
Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Billing
CPT Code
84100
Fee Code
20518
LOINC
2777-1
NY State Approved
No