Primary Care

Cystic Fibrosis Screen

Test Code: 10458

CPT Code: 81220

Alternative Name(s): CF Mutation Screen, Cystic Fibrosis Mutation Screen, CFTR Screen, CF Carrier Screen, CF Screen, Cystic Fibrosis Carrier Screen

Methodology: Multiplex Polymerase Chain Reaction • Massively Parallel Sequencing

Testosterone, FR (Dialysis) and Total (LC/MS/MS)

Test Code: 36170

CPT Code(s): 84402, 84403

Includes: Total Testosterone, Free Testosterone (calculated)

Methodology: Calculation (CALC); Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS); Tracer Equilibrium Dialysis

Clinical Significance: Helpful in assessing testicular function in prepubescent hypogonadal males and in managing hirsutism, virilization in females.

Additional names: Not applicable

Vitamin B12 (Cobalamin)

Test Code: 927

CPT Code(s): 82607

Methodology: Immunoassay (IA)

Clinical Significance: Vitamin B12 is decreased in pernicious anemia, total or partial gastrectomy, malabsorption and certain congenital and biochemical disorders.

Alternative Name(s): Cobalamin, Cyanocobalamin, B12


 

T4 (Thyroxine), Total

Test Code: 867

CPT Code(s): 84436

Methodology: Immunoassay (IA)

Clinical Significance: For diagnosis of hypothyroidism and hyperthyroidism

Note: Free T4 Index (T7) will only be calculated and reported if order code 861 (T3 Uptake) is ordered as well.

Additional names: T4; T-4 (RIA); T4 Total; Tetraiodothyronine; Thyroxine; Thyroxine T4; Thyroxine Total