IETG - Overview: Interference Evaluation Heterophile, Thyroglobulin Tumor Marker, Serum

Evaluation of suspected interference from heterophile antibodies causing a falsely elevated thyroglobulin result

ASMW - Overview: Acid Sphingomyelinase, Leukocytes

Investigation of possible diagnosis of Niemann-Pick disease types A and B This test is not recommended for carrier detection because of the wide range of enzymatic activities observed in carriers and noncarriers.

AH50 - Overview: Alternative Complement Pathway, Functional, Serum

Investigation of suspected alternative pathway complement deficiency, atypical hemolytic uremic syndrome, C3 glomerulonephritis, and dense-deposit disease

AMPIP - Overview: Amyloid Protein Identification, Paraffin, Mass Spectrometry

Definitive identification of amyloid proteins

ADVQU - Overview: Adenovirus DNA Detection and Quantification, Plasma

Aiding in the diagnosis of disseminated adenovirus infections in at-risk individuals Measuring adenoviral load in plasma to monitor disease progression and antiviral response in individuals with disseminated infection

WASEQ - Overview: Alpha Globin Gene Sequencing, Varies

Diagnosing nondeletional alpha thalassemia Testing for nondeletional alpha thalassemia in a symptomatic individual Follow-up testing to an abnormal hemoglobin electrophoresis that identified an alpha-globin chain variant

ALLOI - Overview: Allo-isoleucine, Blood Spot

Evaluation of newborn screening specimens that test positive for branched-chain amino acids elevations Follow-up of patients with maple syrup urine disease

AIHL - Overview: Aminoglycoside-Induced Hearing Loss, Targeted Variant Testing, Droplet Digital PCR, Varies

Identification of individuals who may be at risk for aminoglycoside-induced hearing loss (AIHL) Establishing a diagnosis of late-onset sensorineural hearing loss associated with aminoglycoside exposure Identifying mitochondrial variants...

ARSBW - Overview: Arylsulfatase B, Leukocytes

Supporting the biochemical diagnosis of mucopolysaccharidosis type VI (MPS VI, Maroteaux-Lamy syndrome) in whole blood specimens This test is not useful for carrier detection.

A1AFS - Overview: Alpha-1-Antitrypsin Clearance, Feces and Serum

Diagnosing protein-losing enteropathies