Ordering Recommendations

For men ages 14 and older. For all other patients (females, children) order ARUP 0081059.

Patient Preparation

Recommendation: collect between 6am and 10am

Collect

1 Green (PST), Gold (SST), Red (Serum), Dark Green (Lithium Heparin) or Lavender (K2 EDTA)
 or  or  or  or

Collect, Minimum Volume

1 mL blood

Pediatric Collection

1 mL blood

Lab Staff Notes

If clinician is requesting:
1. Total, Free and Bioavailable Testosterone, order TESTFB
2. Free Testosterone, only, order TESTFM
3. Total Testosterone, only, order TEST
4. Free and Total Testosterone, order TESTFM and TEST

Specimen Preparation, Minimum Volume

0.5 mL serum or plasma

Storage/Transport Temperature

Refrigerated

Stability (from collection to initiation)

Room temperature: 5 days
Refrigerated: 2 weeks
Frozen: 6 months

Performed

Sun-Sat

Reported

Same day

Methodology

Chemiluminescent Microparticle Immunoassay (CMIA)

Testing Location

Intermountain

Synonyms

  • Free testosterone, Adult Male
  • serum testosterone free

CPT Codes

84402

Updated

7/16/25

Interface Order Code (OBR)

TESTFM

Interface Result Code (OBX)

SHBGL, TEST, TESTFC
Collecting

Ordering Recommendations

For men ages 14 and older. For all other patients (females, children) order ARUP 0081059.

Patient Preparation

Recommendation: collect between 6am and 10am

Collect

1 Green (PST), Gold (SST), Red (Serum), Dark Green (Lithium Heparin) or Lavender (K2 EDTA)
 or  or  or  or

Collect, Minimum Volume

1 mL blood

Pediatric Collection

1 mL blood

Lab Staff Notes

If clinician is requesting:
1. Total, Free and Bioavailable Testosterone, order TESTFB
2. Free Testosterone, only, order TESTFM
3. Total Testosterone, only, order TEST
4. Free and Total Testosterone, order TESTFM and TEST

Specimen Preparation, Minimum Volume

0.5 mL serum or plasma

Storage/Transport Temperature

Refrigerated

Stability (from collection to initiation)

Room temperature: 5 days
Refrigerated: 2 weeks
Frozen: 6 months
Resulting

Performed

Sun-Sat

Reported

Same day

Methodology

Chemiluminescent Microparticle Immunoassay (CMIA)
Additional Information

Testing Location

Intermountain

Synonyms

  • Free testosterone, Adult Male
  • serum testosterone free
Coding

CPT Codes

84402

Updated

7/16/25
Interface Mapping

Interface Order Code (OBR)

TESTFM

Interface Result Code (OBX)

SHBGL, TEST, TESTFC

ARUP Consult®

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