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Common Laboratory (LAB) Values [ A ]
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Lab (Specimen) |
Conventional Units |
SI Units |
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| Acetylcholinesterase (RBC) | 11,000 - 15,000 IU/L | 11-15 kIU/L | ||||||||||||||||||||||||||||||||
| Acid Phosphatase Prostatic (Immunoassay) Serum | 0.0-3.5 ng/mL | 0.0-3.5 ng/mL | ||||||||||||||||||||||||||||||||
| Acid Phosphatase, Total, Serum (Enzymatic) | 0.0-4.3 U/L | 0.0-4.3 U/L | ||||||||||||||||||||||||||||||||
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Adrenocorticotropic Hormone (ACTH) (Plasma).
Immunoassay |
(<70 pg/mL).
Male and female: 1 week- 9 yrs: 5-46 pg/mL. 10 -18 yrs: 6-55 pg/mL. Female: >/=19 yrs: 6 -58 pg/mL. Male: >/=19 yrs: 7 -69 pg/mL |
<15 pmol/L | ||||||||||||||||||||||||||||||||
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Alanine Aminotransferase (ALT), Serum Formerly “SGPT” [Serum glutamic pyruvic transaminase] – Normal: 5 - 35 IU/dL. – Found in heart, liver, and skeletal muscle. – Much more specific marker of liver injury than AST. |
Males 0 - 35 U/L; Females 0 - 20 U/L |
Males 0 - 35 U/L; Females 0 - 20 U/L |
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| Albumin (Serum) | 3.5 - 5 g/dL | 30 - 50 g/L | ||||||||||||||||||||||||||||||||
| Aldosterone (Serum) |
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| Alkaline phosphatase Isoenzymes |
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| Ammonia, Plasma |
0.17 - 0.80 µg/mL Alt Source: 15-45 μg/dl |
10 - 47 µmol/L Alt source: 11-32 μmol/L |
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| Amylase, Isoenzymes (Serum) |
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| Anion Gap | ||||||||||||||||||||||||||||||||||
| Anti-Nuclear Antibody (ANA) Titer | (Negative) <1:40 Titer | |||||||||||||||||||||||||||||||||
| Antithrombin III Activity (Plasma) |
1-4 days: 39-87% 5-29 days: 41-93% 30-89 days: 48-108% 90-179 days: 73-121% 180-364 days: 84-124% 1-6 years: 82-139% 7-9 years: 96-135% 10-11 years: 92-134% 12-13 years: 92-128% 14-15 years: 95-135% 16-17 years: 94-131% 18 years and older: 76-128% |
Normal reference range: 69 - 132% |
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| Antithrombin ΙΙΙ (AT ΙΙΙ) | 80-120 U/dL | 800-1200 U/L | ||||||||||||||||||||||||||||||||
| Anti-Thyroglobulin Antibody Screen (Serum) | <1.0 IU/mL | < 1 kU/L | ||||||||||||||||||||||||||||||||
| Alpha-1-Antitrypsin (Serum) | 80-200 mg/dL | 0.8 - 2.0 g/L | ||||||||||||||||||||||||||||||||
| Arterial Blood Gases (ABGs) | ||||||||||||||||||||||||||||||||||
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Aspartate Aminotransferase (AST), Serum – Formerly “SGOT” [Serum glutamic oxaloacetic transaminase] – Normal: 5 - 35 IU/dL. – Found in heart, liver, and skeletal muscle. – Not as specific a marker as ALT for liver injury. |
(<42 U/L ) Males: 0 - 37 U/L Females: 0 - 31 U/L |
Using the AST/ALT ratio can help in differential diagnosis – AST/ALT > 2 indicates chronic alcoholism. |
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Important Notes
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>Unless noted, all values are for adults. >All laboratory values listed are method dependent (Methods include: immunoassay, colorimetry, electrophoresis, HPLC, etc). >Values may vary between laboratories. |
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