LAB |
REFERENCE RANGE |
Activated partial thromboplastin time (APTT) |
25–35 seconds25–35 seconds |
Adrenocorticotropic hormone (ACTH) |
9–52 pg/mL2–11 pmol/L |
Alanine aminotransferase (ALT) |
0–35 U/L0–0.58 µkat/L |
Albumin |
3.5–5.5 g/dL35–55 g/L |
Alkaline phosphatase |
45–115 U/L (men), 30–100 U/L (women)0.75–1.92 µkat/L (men), 0.50–1.67 µkat/L (women) |
Ammonia |
40–80 µg/dL23–47 µmol/L |
Amylase |
0–130 U/L |
Anion Gap |
8–16 mEq/L8–16 mmol/L |
Aspartate aminotransferase (AST) |
0–35 units/L0–0.58 µkat/L |
Bands |
< 1 x 10,000/µL< 1 x 10,000/mm3 |
Bicarbonate |
23–28 mEq/L23–28 mmol/L |
Bilirubin, direct/conjugate |
0–0.3 mg/dL0–5.1 µmol/L |
Bilirubin, total |
0.3–1.2 mg/dL5.1–20.5 µmol/L |
Blood urea nitrogen (BUN) |
8–20 mg/dL2.9–7.1 mmol/L |
B-type natriuretic peptide (BNP) |
<100 pg/mL< 100 ng/L |
Calcium (ionized, adult) |
4.5–5.6 mg/dL1.05–1.3 mmol/L |
Calcium (total) |
9–10.5 mg/dL2–2.6 mmol/L |
Ceruloplasmin |
16–31 mg/dL (men), 19–39 mg/dL (women) |
Chloride |
98–106 mEq/L98–106 mmol/L |
Cholesterol (Total: Adult) |
150–199 mg/dL3.88–5.15 mmol/L |
COHb (%) |
< 2% Smoker: <9%Non Smoker: < 2% Smoker: <9% |
Copper |
63.7–140.12 µg/dL12–22 µmol/L |
Cortisol (bedtime) |
3–13 µg/dL83–359 nmol/L |
Cortisol (free, urine) |
< 50 µg/24 h138 nmol/24 h |
Cortisol (morning) |
10–20 µg/dL275.88–551.76 nmol/L |
C-peptide – serum |
0.5–2.0 ng/mL0.17–0.66 nmol/L |
Creatine kinase (CK) |
30–170 U/L0.50–2.84 µkat/L |
Creatinekinase – MB fraction |
(CK-MB)0–7 ng/mL0–7 µg/L |
Creatinine |
0.7–1.3 mg/dL61.9–115 µmol/L |
CSF Cell count |
0-5 cells/µL0-5 × 10⁶ cells/L |
CSF Glucose |
40–80 mg/dL2.2–4.4 mmol/L |
CSF Opening pressure |
70–200 mm H₂O |
CSF Protein |
15–60 mg/dL150–600 mg/L |
D-dimer |
< 0.5 µg/mL< 500 ng/mL |
Erythrocyte sedimentation rate (ESR) |
0–15 mm/hr (men) 0–20 mm/hr (women) |
Estradiol (female, day 1-10) |
14–27 pg/mL50–100 pmol/L |
Estradiol (female, day 11-20) |
14–54 pg/mL50–200 pmol/L |
Estradiol (female, day 21-30) |
19–41 pg/mL70–150 pmol/L |
Estradiol (male) |
10–30 pg/mL37–110 pmol/L |
Ferritin, serum |
15–200 ng/mL15–200 µg/L |
Fibrinogen, plasma |
150–350 mg/dL1.5–3.5 g/L |
Follicle-stimulating hormone (female, follicular/luteal phase) |
5–20 mU/mL5–20 U/L |
Follicle stimulating hormone (female, midcycle) |
30–50 mU/mL30–50 U/L |
Follicle stimulating hormone (female, postmenopausal) |
> 35 mU/mL> 35 U/L |
Follicle stimulating hormone (male) |
5–15 mU/mL5–15 U/L |
Free Thyroxine (T4), serum |
0.9–2.4 ng/dL12–31 pmol/L |
Free Triiodothyronine (T3), serum |
3.6–5.6 ng/L0.06–0.09 nmol/L |
Gastrin |
180 pg/mL0–86.58 pmol/L |
Glucose (fasting) |
70–100 mg/dL3.9–5.6 mmol/L |
Glycosylated hemoglobin |
4%–5.9%4%–5.9% |
Haptoglobin |
50–150 mg/dL500–1500 mg/L |
HDL (Men) |
≥ 40 mg/dL1.0 mmol/dL |
HDL (Women) |
≥ 50 mg/dL1.3 mmol/dL |
Hematocrit (Hct) (Female) |
36–47%0.36–0.47 |
Hematocrit (Hct) (Male) |
41–51%0.41–0.51 |
Hemoglobin (Hgb) (Female) |
12–16 g/dL120–160 g/L |
Hemoglobin (Hgb) (Male) |
14–17 g/dL140–170 g/L |
Insulin – serum |
< 25 mU/L< 174 pmol/L |
Iron |
60–160 µg/dL11–29 µmol/L |
Lactate dehydrogenase (LDH) |
100–1200 units/L1.00–1.67 µkat/L |
Lactic acid |
6–16 mg/dL0.67–1.8 mmol/L |
LDL |
< 100 mg/dL |
Lipase |
< 95 U/L< 1.59 µkat/L |
Luteinizing hormone (female, follicular/luteal phase) |
5–22 mU/mL5–22 units/L |
Luteinizing hormone (female, midcycle) |
30–250 mU/mL30–250 units/L |
Luteinizing hormone (female, postmenopausal) |
> 30 mU/mL> 30 units/L |
Luteinizing hormone (male) |
3–15 mU/mL3–15 units/L |
Lymphocytes |
1,000–4,000/µL (20–40%)1,000–4,000/mm3 (20–40%) |
Magnesium |
1.5–2.4 mg/dL0.62–0.99 mmol/L |
Mean corpuscular hemoglobin concentration (MCHC) |
32–36 g/dL320–360 g/L |
Mean corpuscular hemoglobin (MCH) |
28–32 pg0.4–0.5 fmol/cell |
Mean corpuscular volume (MCV) |
80–100 fL/red cell |
Metanephrines (urine) |
< 1.2 mg/24 hours< 6.1 mmol/24 hours |
Monocytes |
100–700/µL (2–8%)100–700/mm3 (2–8%) |
Neutrophils |
2500–8000/µL (55–70%)2500–8000/mm3 (55–70%) |
Parathyroid hormone (PTH) |
10–65 pg/mL10–65 ng/L |
PCO₂ |
35–45 mm Hg4.7–6 kPa |
pH |
7.38–7.447.38–7.44 |
Phosphorus |
3–4.5 mg/dL0.97–1.45 mmol/L |
Platelets |
150,000–350,000/µL150–350 × 10⁹/L |
PO₂ |
80–100 mm Hg10.6–13.3 kPa |
Potassium |
3.5–5.0 mEq/L3.5–5.0 mmol/L |
Procalcitonin (adults and children > 72 hours old) |
< 0.15 ng/mL |
Prolactin (Men) |
< 15 ng/mL< 15 µg/L |
Prolactin (Nonpregnant women) |
< 20 ng/mL< 20 µg/L |
Prolactin (Pregnant women) |
36–372 ng/mL36–372 µg/L |
Prothrombin time (PT) |
11–13 seconds |
Pyruvate |
300–900 µg/dL34068.00–102204.00 µmol/L |
Red blood cells (RBC) |
4.7–6.1 x 10⁶/µL (men), 4.2–5.4 x 10⁶/µL (women) |
Red cell distribution width (RDW) |
11.6–14.6%11.6–14.6% |
Reticulocytes |
11.6–14.6%11.6–14.6% |
Reverse Triiodothyronine (T3) |
serum10–24 ng/dL10–24 ng/dL |
Sodium |
136–145 mEq/L136–145 mmol/L |
Testosterone (adult male) |
300–1200 ng/dL10–42 nmol/L |
Testosterone (female) |
20–75 ng/dL0.7–2.6 nmol/L |
Thyroid-stimulating hormone (TSH) |
0.5–5.0 µU/mL0.5–5.0 mU/L |
Total iron-binding capacity (TIBC) |
250–460 µg/dL45–82 µmol/L |
Total Serum Protein |
6.0–7.8 g/dL60–78 g/L |
Total Thyroxine (T4) |
serum5–12 µg/dL64–155 nmol/L |
Total Triiodothyronine (T3) |
serum70–195 ng/dL1.1–3.0 nmol/L |
Transferrin |
200–360 mg/dL24.60–44.28 µmol/L |
Transferrin saturation |
20–50% |
Triglycerides |
<150 mg/dL< 1.7 mmol/L |
Troponin I0 |
0.5 ng/mL0–0.5 μg/L |
Troponin T0 |
0.10 ng/mL0–0.10 µg/L |
Tryptase |
< 11.5 ng/mL< 11.5 ng/mL |
Urea |
17–43 mg/dL2.8–7.2 mmol/L |
Uric acid, serum |
2.5–8 mg/dL0.15–0.47 mmol/L |
White blood cells (WBCs) |
4000–10,000/µL4.0–10.0 x 10⁹/L |
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