PHOS
Phosphorus, Serum or Plasma
EPIC Test Procedure Code: LAB2331
Performing Lab:
Saint Luke's Regional Laboratories
Container Type:
Serum gel tube or green top (heparin) tube
Specimen Type:
Serum or plasma
Preferred Volume:
2 mL
Minimum Volume:
0.5 mL
Collection Procedure:
1. Indicate serum or plasma on the request form.
2. Label the specimen appropriately (serum or plasma).
Store and Transport:
Room temperature
CPT Codes:
84100 - Phosphorus (EAP 30014220)
Test Schedule:
Monday through Sunday
Reference Ranges:
0-3 months:
4.1 - 8.6
mg/dL
> 3 months+:
2.4 - 5.1
mg/dL
Critical Values:
Neonates (0-3 months): ≤ 4.0 mg/dL
All others: < 1.0 mg/dL