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Streptococcus Group B with Susceptibility Culture

Test code: 15090

CPT code(s): 87081

Includes: If culture is positive, identification will be performed at an additional charge, (CPT code(s): 87077 or 87140 or 87143 or 87147 or 87149). Antibiotic susceptibilities will be performed on Group B streptococcus isolates (CPT code(s): 87181 or 87184 or 87186).

Methodology: Bacterial Culture, Aerobic Isolation and Identification Procedure including Broth Enhanced Culture and Susceptibility

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Tree Nut Allergy

Test Code: 94462

CPT Code(s): 86003 (x9)

Includes: IgE allergy testing for: Macadamia Nut (RF345), Pecan Nut (F201), Brazil Nut (F18), Walnut (F256), Cashew Nut (F202), Pistachio (F203), Hazelnut (F17), Almond (F20), Peanut (F13)

Methodology: Immunoassay

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T3, Total

Test Code: 859

CPT Code(s): 84480

Methodology: Immunoassay (IA)

Clinical Significance: Total T3 measurements are used to diagnose and monitor treatment of hyperthyroidism and are essential for recognizing T3 toxicosis.

Additional names: Triiodothyronine

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T4 Free, Direct Dialysis

Test Code: 35167

CPT Code(s): 84439

Methodology: Direct Equilibrium Dialysis Radioimmunoassay (RAI)
Laboratory Developed Test (LDT) - This was developed and its analytical performance characteristics have been deteremined by Quest Diagnostics Nichols Institute, Chantilly, VA. It has not been cleared or approved by the FSA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

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Sed Rate (Erythrocyte Sedimentation Rate)

Sed Rate by Modified Westergren, Manual

Test Code: 29891
CPT Code: 85651
Alternative Name(s): Sed rate; ESR, Erythrocyte sedimentation rate; Westergren sed rate
Methodology: Modified Westergren
Clinical Significance: Useful in differentiating inflammatory and neoplastic diseases and as an index of disease serverity.


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Testosterone, Total Males (Adult), Immunoassay

Test Code: 873

CPT Code(s): 84403

Supply: 53712 Red Top Tube (NO GEL) 10mL

Methodology: Immunoassay

Limitations: Immunoassay does not provide sufficient sensitivity in detecting low concentrations among non-adults and women.

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Thyroid Panel with TSH

Test Code: 7444

CPT Code(s): 84436, 84443, 84479

Includes: Thyroid Panel [T3 Uptake; T4 (Thyroxine), Total; Free T4 Index (T7)] and TSH

Methodology: Immunoassay (IA)

Clinical Significance: See individual test

Additional names: Not applicable

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T3, Free

Test Code: 34429

CPT Code(s): 84481

Methodology: Immunoassay (IA)

Clinical Significance: This test is used to diagnose hyperthyroidism and to clarify thyroid status in the presence of a possible protein binding abnormality.

Additional names: Free T3

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T4, Free

Test Code: 866

CPT Code(s): 84439

Methodology: Immunoassay

Clinical Significance: For diagnosis of hypothyroidism and hyperthyroidism

Additional names: Free T-4, Free Thyroxine, FT4, Thyroxine Free

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Test Code:
899 - TSH
36127 - TSH with Reflex to FT4
90896 - TSH, Pregnancy

CPT Code(s):
Test Code 899: 84443
Test Code 36127: 84443
Test Code 90896: 84443

Supply: 170739 RedGrey SST 8.5mL