Laboratory Services

Phosphorus

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Updated Test Information:

Test Description
Phosphorus
Synonym(s)

Phosphate

Test ID
PHOS
Specimen Type

Serum

Specimen Requirements

SST

Alternate Specimen Type

Red, Li-heparin plasma, K2EDTA

Minimum Sample Volume

1 mL

Pediatric Min. Volume (if applicable)

500 uL

Stability

7 days at 15-25˚C
14 days at 2-8 ˚C
1 year at -20 ˚C

Methodology

Molybdate UV

Estimated TAT

0-2 days

Testing Schedule

Monday-Saturday

CPT Code(s)

84100

Reference Range

Adults: 2.5-4.5 mg/dL

Children

Male mg/dL
1-30 days 3.9-6.9
1-12 months 3.5-6.6
1-4 yr 3.1-6.0
4-7 yrs 3.3-5.6
7-10 yrs 3.0-5.4 
10-13 yrs 3.2-5.7
13-16 yrs 2.9-5.1
16-19 yrs 2.7-4.9
Female mg/dL
1-30 days 4.3-7.7
1-12 months 3.7-6.5
1-4 yr 3.4-6.0
4-7 yrs 3.2-5.5
7-10 yrs 3.1-5.5
10-13 yrs 3.3-5.3
13-16 yrs 2.8-4.8
16-19 yrs 2.5-4.8
Performing Lab

Incyte Diagnostics

LOINC Code(s)

2777-1