Test Code

T4FD

Ordering Code

2883

Questions?

Please call Clinical Labs of Hawaii at 808.677.7998 (Option 1) with questions about this test.

Patient Preparation

Specify patient's age on the request form.

Specimen Preparation

Red top preferred; SST acceptable
1 mL serum (0.5 mL minimum)

Stability (from collection to initiation)

Room temperature: 4 days
Refrigerated: 14 days
Frozen: 35 days

Unacceptable Conditions

Lipemia, Heparin Plasma, EDTA Plasma

Storage/Transport Temperature

Frozen

Reported

Performed: Mon-Sat; Reported: 3-4 days

Methodology

Equilibrium Dialysis, Chromatography/Mass Spectrometry

Test Site

Quest (35167)

Reference Interval

Based on age and pregnancy. See report.

CPT Codes

84439

Patient Preparation

Specify patient's age on the request form.

Specimen Preparation

Red top preferred; SST acceptable
1 mL serum (0.5 mL minimum)

Storage/Transport Temperature

Frozen

Stability (from collection to initiation)

Room temperature: 4 days
Refrigerated: 14 days
Frozen: 35 days

Unacceptable Conditions

Lipemia, Heparin Plasma, EDTA Plasma

CPT Codes

84439

Test Code

T4FD

Ordering Code

2883

Reported

Performed: Mon-Sat; Reported: 3-4 days

Methodology

Equilibrium Dialysis, Chromatography/Mass Spectrometry

Reference Interval

Based on age and pregnancy. See report.

Test Site

Quest (35167)
Summary

Test Code

T4FD

Ordering Code

2883

Questions?

Please call Clinical Labs of Hawaii at 808.677.7998 (Option 1) with questions about this test.

Patient Preparation

Specify patient's age on the request form.

Specimen Preparation

Red top preferred; SST acceptable
1 mL serum (0.5 mL minimum)

Stability (from collection to initiation)

Room temperature: 4 days
Refrigerated: 14 days
Frozen: 35 days

Unacceptable Conditions

Lipemia, Heparin Plasma, EDTA Plasma

Storage/Transport Temperature

Frozen

Reported

Performed: Mon-Sat; Reported: 3-4 days

Methodology

Equilibrium Dialysis, Chromatography/Mass Spectrometry

Test Site

Quest (35167)

Reference Interval

Based on age and pregnancy. See report.

CPT Codes

84439
Collection

Patient Preparation

Specify patient's age on the request form.

Specimen Preparation

Red top preferred; SST acceptable
1 mL serum (0.5 mL minimum)

Storage/Transport Temperature

Frozen

Stability (from collection to initiation)

Room temperature: 4 days
Refrigerated: 14 days
Frozen: 35 days

Unacceptable Conditions

Lipemia, Heparin Plasma, EDTA Plasma
Administrative

CPT Codes

84439
Ordering

Test Code

T4FD

Ordering Code

2883
Result Interpretation

Reported

Performed: Mon-Sat; Reported: 3-4 days

Methodology

Equilibrium Dialysis, Chromatography/Mass Spectrometry

Reference Interval

Based on age and pregnancy. See report.

Test Site

Quest (35167)