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Items starting with A

Androstenedione

Androstenedione

 (supplied by referral laboratory):

Adults

Female (pre-menopause): 0.9-7.5 nmol/L

Female (post-menopause): 0.4-2.9 nmol/L

Male (18:40yrs): 1.1-5.6 nmol/L

Male (41-67yrs): 0.8-4.7 nmol/L

Paediatrics

Neonates: <8.0 nmol/L

Female tanner stage 1: <1.9 nmol/L

Male tanner stage 1: <1.1 nmol/L

Elevations can be found in premature babies

Angiotensin Converting Enzyme (ACE)

Angiotensin Converting Enzyme (ACE)

Up to 18 years: 29-112 IU/L

Adults:               20-70 IU/L

(Source: Buhlmann Laboratories)

Serum levels in individuals under 18 years of age are substantially higher and more variable than in adults.

 

http://www.labtestsonline.org.uk/understanding/analytes/ace/

Anisakis serology

Anisakis serology

Antenatal Serology Screening

Antenatal Serology Screening

Anti C1q antibody

Anti C1q antibody

Supplied by reference laboratory

0 – 20 units/ml

anti Cardiolipin antibody + Anti Beta 2 glycoprotein

anti Cardiolipin antibody + Anti Beta 2 glycoprotein

Consider IgG Anti cardiolipin antibody abnormal only if >23.8 U/mL

                     IgM Anti cardiolipin antibody abnormal only if >29.9 U/mL

(99th centile of normal), present on two or more occasions,
at least 12 weeks apart.

Consider IgG B2GP1 abnormal only if >17.7 U/ml

IgM B2GP1 abnormal only if >5.7 U/mL
(99th centile of normal), present on two or more occasions,
at least 12 weeks apart.

 

Anti Diuretic Hormone (ADH/Vasopressin)

Anti Diuretic Hormone (ADH/Vasopressin)

Provided by Reference Laboratory

Anti-Mullerian Hormone (AMH)

Anti-Mullerian Hormone (AMH)

http://labtestsonline.org/understanding/analytes/anti-mullerian-hormone/tab/sample

Anti-thyroglobulin antibodies

Anti-thyroglobulin antibodies

Thyroglobulin antibody cut-offs taken from the Abbott Alinity Kit insert:

  • ≥4.11 IU/L are deemed positive
  • <4.11 IU/L are deemed negative

NICE guidance NG230

Anti-Xa Assay

Antibiotic Assay (therapeutic level monitoring)

Antibiotic Assay (therapeutic level monitoring)

Southmead Hospital Antibiotic Assay Service User Guide

Antibiotic Assays (Isoniazid and Ethambutol)

Antibiotic Assays (Isoniazid and Ethambutol)

Antinuclear Antibody (ANA)

Antinuclear Antibody (ANA)

Negative

AP 50 Alternate complement pathway

AP 50 Alternate complement pathway

Normal >75 %

Abnormal <75 %

AP 50 Alternate complement pathway

AP 50 Alternate complement pathway

Normal >75 %

Abnormal <75 %

Apolipoprotein A and B

Apolipoprotein A and B

Apo A:1.0-2.2g/L

Apo B:0.6-1.3g/L

http://www.labtestsonline.org.uk/understanding/analytes/apoa/tab/test http://www.labtestsonline.org.uk/understanding/analytes/apob/tab/test http://circ.ahajournals.org/content/91/2/505.full

Aquaporin 4 antibodies (AQP4)

Aquaporin 4 antibodies (AQP4)

Normal result is negative

Aquaporin 4 antibodies (AQP4)

Aquaporin 4 antibodies (AQP4)

Normal result is negative

Arboviruses

Arboviruses

Rare and imported pathogens laboratory (RIPL)

Arsenic (blood)

Arsenic (blood)

Normal values: < 95 nmol/L

Source, Trace Element Laboratories Update 2018

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