Hematological Reference Values

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HEMATOLOGICAL REFERENCE VALUES
Analyte Reference value
Conventional units SI units
COAGULATION PROFILE
D-Dimer ≤ 300 ng/mL ≤ 300 μg/L
Fibrinogen 150–350 mg/dL 1.5–3.5 g/L
Partial thromboplastin time, activated (aPTT) 25–35 sec
Prothrombin time (PT) 11–13 sec
Thrombin time 18.5–24 sec
COMPLETE BLOOD COUNT (CBC)
Erythrocyte sedimentation rate (ESR)
 Females 0–20 mm/h 0–20 mm/h
 Males 0–15 mm/h 0–20 mm/h
Folic acid
 RBC 160–855 ng/mL 362–1937 nmol/L
 Serum 2.5–20 ng/mL 5.7–45.3 nmol/L
Hemoglobin (Hgb)
 Females 12–16 g/dL 120–160 g/L
 Males 14–17 g/dL 140–170 g/L
Hematocrit (Hct)
 Females 36–47%
 Males 41–51%
Mean Corpuscular Hemoglobin (MCH) 28–32 pg
Mean Corpuscular Hemoglobin Concentration (MCHC) 32–36 g/dL 320–360 g/L
Mean Corpuscular Volume (MCV) 80–100 fL
Platelet (Plt) 150–350 x 103/μL 150–350 x 109/L
Red Blood Cell (RBC) 4.2–5.9 x 106 cells/μL 4.2–5.9 x 1012 cells/L
Reticulocyte
 Percentage 0.5–1.5%
 Absolute 23–90 x 103/μL 23–90 x 109/L
Vitamin B12 200–800 pg/mL 148–590 pmol/L
White Blood Cell (WBC) 4.5–11 x 103 cells/μL 4.5–11 x 109 cells/L
 Neutrophils (segs) 2.6–8.5 x 103 cells/μL 2.6–8.5 x 109 cells/L
 Neutrophils (bands) 0–1.2 x 103 cells/μL 0–1.2 x 109 cells/L
 Lymphocytes 0.77–4.5 x 103 cells/μL 0.77–4.5 x 109 cells/L
 Monocytes 0.14–1.3 x 103 cells/μL 0.14–1.3 x 109 cells/L
 Eosinophils 0–0.55 x 103 cells/μL 0–0.55 x 109 cells/L
 Basophils 0–0.22 x 103 cells/μL 0–0.22 x 109 cells/L
ELECTROLYTES
Calcium 9–10.5 mg/dL 2.2–2.6 mmol/L
Chloride 98–106 mEq/L 98–106 mmol/L
Magnesium 1.5–2.4 mg/dL 0.62–0.99 mmol/L
Phosphorus, inorganic 3.0–4.5 mg/dL 0.97–1.45 mmol/L
Potassium 3.5–5 mEq/L 3.5–5 mmol/L
Sodium 136–145 mEq/L 136–145 mmol/L
HEPATIC FUNCTION
Alanine aminotransferase (ALT) 0–35 U/L 0–0.58 pkat/L
Albumin 3.5–5.5 g/dL 35–55 g/L
Alkaline phosphatase (ALP) 36–92 U/L 0.5–1.5 μkat/L
Aspartate aminotransferase (AST) 0–35 U/L 0–0.58 pkat/L
Bilirubin
 Direct 0–0.3 mg/dL 0–5.1 μmol/L
 Total 0.3–1.2 mg/dL 5.1–20.5 μmol/L
Protein, total 6–7.8 g/dL 60–78 g/L
IRON STUDIES
Ferritin 15–200 ng/mL 15–200 μg/L
Iron 60–160 μg/dL 11–29 μmol/L
Iron-binding capacity, total (TIBC) 250–460 μg/dL 45–82 μmol/L
Transferrin 212–360 mg/dL 2.1–3.6 g/L
Transferrin saturation 20–50%
LIPID PANEL (DESIRABLE LEVEL)
High-density lipoprotein (HDL-C) ≥ 40 mg/dL ≥ 1.04 mmol/L
Low-density lipoprotein (LDL-C) ≤ 130 mg/dL ≤ 3.36 mmol/L
Total cholesterol (TC) 150–199 mg/dL 3.88–5.15 mmol/L
Triglycerides < 250 mg/dL < 2.82 mmol/L
METABOLIC PANEL
Bicarbonate 23–28 mEq/L 23–28 mmol/L
Glucose
 Fasting 70–105 mg/dL 3.9–5.8 mmol/L
 2hr postprandial < 140 mg/dL < 7.8 mmol/L
Hemoglobin A1c 4.7–8.5%
Lactic acid, venous 6–16 mg/dL 0.67–1.8 mmol/L
pH, blood 7.38–7.44
RENAL FUNCTION
Creatinine, serum 0.7–1.3 mg/dL 61.9–115 μmol/L
Urea nitrogen (BUN) 8–20 mg/dL 2.9–7.1 mmol/L
THYROID PANEL
Thyroid-stimulating hormone (TSH) 0.5–5.0 μIU/mL 0.5–5.0 mIU/L
Thyroxine (T4)
 Free 0.9–2.4 ng/dL 12–31 pmol/L
 Total 5–12 μg/dL 64–155 nmol/L
Triiodothyronine (T3)
 Uptake 25–35%
 Total 70–195 ng/dL 1.1–3.0 nmol/L
NOTES

Key: μkat = microkatal; pkat = picokatal
ALT: formerly serum glutamic pyruvic transaminase (SGPT)
AST: formerly serum glutamic oxaloacetic transaminase (SGOT)

(Rev. 3/2018)

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