Test Code

CTX

Ordering Code

2686

Questions?

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

Synonyms

  • CTx, Beta-CrossLaps

Patient Preparation

Minimum of 12 hours of fasting is required. Collect between 8-10 am if possible. Diurnal variations cause elevated levels at night.

Specimen Preparation

1 mL (0.5 mL minimum) serum Red top preferred, SST
acceptable.
Centrifuge after clotting, aliquot and freeze as soon
as possible.

Stability (from collection to initiation)

Room Temperature: 16 hours
Refrigerated: 3 days
Frozen: 90 days

Unacceptable Conditions

Moderate to gross hemolysis, grossly lipemic and icterus

Storage/Transport Temperature

Frozen

Reported

Performed: Tue-Sat. Reported: 2-3 days

Methodology

Immunoassay

Test Site

Quest (17406)

Reference Interval

Age and sex related. See report.

CPT Codes

82523

LOINC

  • 41171-0

Patient Preparation

Minimum of 12 hours of fasting is required. Collect between 8-10 am if possible. Diurnal variations cause elevated levels at night.

Specimen Preparation

1 mL (0.5 mL minimum) serum Red top preferred, SST
acceptable.
Centrifuge after clotting, aliquot and freeze as soon
as possible.

Storage/Transport Temperature

Frozen

Stability (from collection to initiation)

Room Temperature: 16 hours
Refrigerated: 3 days
Frozen: 90 days

Unacceptable Conditions

Moderate to gross hemolysis, grossly lipemic and icterus

LOINC

  • 41171-0

Synonyms

  • CTx, Beta-CrossLaps

CPT Codes

82523

Test Code

CTX

Ordering Code

2686

Reported

Performed: Tue-Sat. Reported: 2-3 days

Methodology

Immunoassay

Reference Interval

Age and sex related. See report.

Test Site

Quest (17406)
Summary

Test Code

CTX

Ordering Code

2686

Questions?

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

Synonyms

  • CTx, Beta-CrossLaps

Patient Preparation

Minimum of 12 hours of fasting is required. Collect between 8-10 am if possible. Diurnal variations cause elevated levels at night.

Specimen Preparation

1 mL (0.5 mL minimum) serum Red top preferred, SST
acceptable.
Centrifuge after clotting, aliquot and freeze as soon
as possible.

Stability (from collection to initiation)

Room Temperature: 16 hours
Refrigerated: 3 days
Frozen: 90 days

Unacceptable Conditions

Moderate to gross hemolysis, grossly lipemic and icterus

Storage/Transport Temperature

Frozen

Reported

Performed: Tue-Sat. Reported: 2-3 days

Methodology

Immunoassay

Test Site

Quest (17406)

Reference Interval

Age and sex related. See report.

CPT Codes

82523

LOINC

  • 41171-0
Collection

Patient Preparation

Minimum of 12 hours of fasting is required. Collect between 8-10 am if possible. Diurnal variations cause elevated levels at night.

Specimen Preparation

1 mL (0.5 mL minimum) serum Red top preferred, SST
acceptable.
Centrifuge after clotting, aliquot and freeze as soon
as possible.

Storage/Transport Temperature

Frozen

Stability (from collection to initiation)

Room Temperature: 16 hours
Refrigerated: 3 days
Frozen: 90 days

Unacceptable Conditions

Moderate to gross hemolysis, grossly lipemic and icterus
Administrative

LOINC

  • 41171-0

Synonyms

  • CTx, Beta-CrossLaps

CPT Codes

82523
Ordering

Test Code

CTX

Ordering Code

2686
Result Interpretation

Reported

Performed: Tue-Sat. Reported: 2-3 days

Methodology

Immunoassay

Reference Interval

Age and sex related. See report.

Test Site

Quest (17406)

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