Test Overview
Test Methodology

Chemiluminescent Immunoassay (CLIA)

Test Usage

To automatically reflex LH (luteinizing hormone) testing when an adult male testosterone value is less than or equal to 3.00 ng/mL. No reflexive testing is performed if ordered on a female patient, or if adult male testosterone is >3.00 ng/mL.

Reference Range *

Age and sex specific reference ranges provided with report.

Test Limitations

Refer to individual testosterone (TESTO) and luteinizing hormone (LH) test entries

Test Details
Days Set Up
Daily, 24 hours
Analytic Time

4 hours

Soft Order Code
TSTLH
MiChart Code
Testosterone Reflex LH
Synonyms
  • Testosterone with reflex to Luteinizing Hormone
Laboratory
Chemical Pathology
Section
Automation
Specimen Requirements
Collection Instructions

Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate up to 48 hours or freeze for longer storage.

Yellow Top Tube
Contraindications
Refer to individual testosterone (TESTO) and luteinizing hormone (LH) test entries
Normal Volume
0.5 mL serum
Minimum Volume
0.25 mL serum
Additional Information

Test includes Testosterone level. If the patient is male and the testosterone result is

Billing
CPT Code
84403
Fee Code
23348
Reflex CPT
83002
Reflex Fee Code
23320
LOINC
2986-8 (TESTO); 10501-5 (LH)
NY State Approved
No