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Available Tests

  • Phosphorus, Serum

Phosphorus, Serum

Tube Type

Test ID   LAB113
EPIC Order
CPT Code(s)   84100
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine 30; STAT 888
Specimen Routine: 1 mL blood/serum separator tube/gold top/red top acceptable
  micro: 200 µL blood/serum separator bullet/gold top/red top
Unspun - 6 hrs
Room Temp - 3 days
Refrigerated - 7 days
Frozen - 2 months
Availability Routine: 24 hrs/day
Turnaround Time   STAT 1 hr., Routine 2 hrs.
Reference Range Normal: see Table below
  Critical: <1.0 mg/dL
Reference Ranges:  Serum Phosphorus
Age Ranges (mg/dL)
NB 4.3-10.5
<1 mo 5.0-9.5
1-12 mo 4.8-8.1
1-2 yr 4.5-6.7
2-16 yr 4.0-5.7
16 yr+ 2.9-4.7

New Adult Reference Range effective 6/4/2018 (Reference Range Validation Study 2018)

Reviewed by Christopher Parker on July 30, 2018

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514