Test Code

TSHX

Ordering Code

1434

Questions?

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

Remarks

If TSH abnormal, reflexes a Free T4 and Thyroid Binding Globulin. Use order code TSHRF (0267) if TSH with reflex FT4 is ordered.

Specimen Preparation

1.0 mL (0.5 mL minimum) Serum SST or Red top or Plasma
Lithium Heparin (Green top)

Stability (from collection to initiation)

Room temperature: 8 days
Refrigerated: 2 weeks
Frozen: 2 years

Unacceptable Conditions

Heat-inactivated samples or samples stabilized with azide

Storage/Transport Temperature

Refrigerated

Reported

Performed: Sun-Sat Reported: 1-2 days

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Test Site

Clinical Labs of Hawaii

Reference Interval

0-3 days: 1.00-20.00 uIU/mL
4-30 days: 0.50-6.50 uIU/mL
31 days-5 months: 0.50-6.00 uIU/mL
6 months-18 years: 0.50-4.50 uIU/mL
19 years and older: 0.34-5.60 uIU/mL

CPT Codes

84443

LOINC

  • 3016-3

Specimen Preparation

1.0 mL (0.5 mL minimum) Serum SST or Red top or Plasma
Lithium Heparin (Green top)

Storage/Transport Temperature

Refrigerated

Stability (from collection to initiation)

Room temperature: 8 days
Refrigerated: 2 weeks
Frozen: 2 years

Unacceptable Conditions

Heat-inactivated samples or samples stabilized with azide

LOINC

  • 3016-3

CPT Codes

84443

Test Code

TSHX

Ordering Code

1434

Remarks

If TSH abnormal, reflexes a Free T4 and Thyroid Binding Globulin. Use order code TSHRF (0267) if TSH with reflex FT4 is ordered.

Reported

Performed: Sun-Sat Reported: 1-2 days

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Reference Interval

0-3 days: 1.00-20.00 uIU/mL
4-30 days: 0.50-6.50 uIU/mL
31 days-5 months: 0.50-6.00 uIU/mL
6 months-18 years: 0.50-4.50 uIU/mL
19 years and older: 0.34-5.60 uIU/mL

Test Site

Clinical Labs of Hawaii
Summary

Test Code

TSHX

Ordering Code

1434

Questions?

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

Remarks

If TSH abnormal, reflexes a Free T4 and Thyroid Binding Globulin. Use order code TSHRF (0267) if TSH with reflex FT4 is ordered.

Specimen Preparation

1.0 mL (0.5 mL minimum) Serum SST or Red top or Plasma
Lithium Heparin (Green top)

Stability (from collection to initiation)

Room temperature: 8 days
Refrigerated: 2 weeks
Frozen: 2 years

Unacceptable Conditions

Heat-inactivated samples or samples stabilized with azide

Storage/Transport Temperature

Refrigerated

Reported

Performed: Sun-Sat Reported: 1-2 days

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Test Site

Clinical Labs of Hawaii

Reference Interval

0-3 days: 1.00-20.00 uIU/mL
4-30 days: 0.50-6.50 uIU/mL
31 days-5 months: 0.50-6.00 uIU/mL
6 months-18 years: 0.50-4.50 uIU/mL
19 years and older: 0.34-5.60 uIU/mL

CPT Codes

84443

LOINC

  • 3016-3
Collection

Specimen Preparation

1.0 mL (0.5 mL minimum) Serum SST or Red top or Plasma
Lithium Heparin (Green top)

Storage/Transport Temperature

Refrigerated

Stability (from collection to initiation)

Room temperature: 8 days
Refrigerated: 2 weeks
Frozen: 2 years

Unacceptable Conditions

Heat-inactivated samples or samples stabilized with azide
Administrative

LOINC

  • 3016-3

CPT Codes

84443
Ordering

Test Code

TSHX

Ordering Code

1434

Remarks

If TSH abnormal, reflexes a Free T4 and Thyroid Binding Globulin. Use order code TSHRF (0267) if TSH with reflex FT4 is ordered.
Result Interpretation

Reported

Performed: Sun-Sat Reported: 1-2 days

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Reference Interval

0-3 days: 1.00-20.00 uIU/mL
4-30 days: 0.50-6.50 uIU/mL
31 days-5 months: 0.50-6.00 uIU/mL
6 months-18 years: 0.50-4.50 uIU/mL
19 years and older: 0.34-5.60 uIU/mL

Test Site

Clinical Labs of Hawaii

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