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Test Code Phos Plas or Phos Ser Phosphorus, Plasma or Serum

Performing Laboratory

NRL-Chemistry

Methodology

Photometric End point

Note: This test is also available as part of #RENAL Renal Function Panel. See Common Panel Test Combinations in Special Instructions to avoid duplicate test requests when multiple panels are ordered.

Specimen Requirements

Submit only 1 of the following specimens:
  
Preferred:

Specimen Type: Plasma

Container/Tube: Light-green top (lithium heparin)

Specimen Volume: 2 mL

Specimen Minimum Volume: 1 mL

Collection Instructions:

1. Spin down unopened (vacuum intact) tube within 45 minutes of draw.

2. Avoid hemolysis.

3. Label specimen as plasma.

 

Alternate (Non-Hospital Patient):

Specimen Type: Serum

Container/Tube: Gold top, serum gel

Specimen Volume: 2 mL

Specimen Minimum Volume: 1 mL

Collection Instructions:

1. Spin down unopened (vacuum intact) tube within 45 minutes of draw.

2. Avoid hemolysis.

3. Label specimen as serum.

Reference Values

0-30 days: 4.2-7.2 mg/dL

31 days-17 years: 3.3-6.3 mg/dL

≥18 years: 2.7-4.7 mg/dL

Day(s) Test Set Up

Monday through Sunday

Turnaround Time:

STAT-45 minutes

Routine-shift

Specimen Transport Temperature

Refrigerate

Test Classification and CPT Coding

84100

Special Instructions