A/G Ratio
Laboratory reference range: 1.1–2.5
Functional reference range: 1.5–2.0
Albumin
Laboratory reference range: 3.5–5.5 g/dL
Functional reference range: 4–5 g/dL
Alkaline Phosphatase
Laboratory reference range: 39–117 IU/L
Functional reference range: 42–107 IU/L
ALT
Laboratory reference range: 0–44 IU/L
Functional reference ranges:18
Male: 5–26 IU/L
Female: 5–20 IU/L
AST
Laboratory reference range: 0–40 IU/L
Functional reference range:12
Male: 5–25 IU/L
Female: 5–23 IU/L
Basophils
Functional reference range: 0–3%
Bilirubin, total
Laboratory reference range: 0–1.2 mg/dL
Functional reference range: 0.1–1.2 mg/dL
BUN
Laboratory reference range: 6–24 mg/dL
Functional reference range: 13–18 mg/dL
BUN/Creatinine Ratio
REFERENCE RANGES FOR BUN/CREATININE RATIO: Laboratory reference range:1 BUN:Cr Urea:Cr Location Mechanism >20:1 >100:1 Prerenal (before the kidney) BUN reabsorption is increased. BUN is disproportionately elevated relative to creatinine in serum. Dehydration or hypoperfusion is suspected. 10-20:1 40-100:1 Normal or Postrenal (after the kidney) Normal range. Can also be postrenal disease. BUN reabsorption is within […]
Calcitriol
Laboratory reference range: 19.9–79.3 pg/mL
Functional reference range: Same as conventional range
Calcium
Laboratory reference range: 8.7–10.2 mg/dL
Functional reference range: 9.2–10.1 mg/dL
Chloride
Laboratory reference range: 97–108 mmol/L
Functional reference range: 100–106 mmol/L
Cholesterol, Total
Laboratory reference range:
Male and female: 100–199 mg/dL
Functional reference ranges:
Male: 150–220 mg/dL
Female: 150–230 mg/dL
CO2 (Carbon Dioxide)
Laboratory reference range: 18–29 mmol/L
Functional reference range: 25–30 mmol/L
Copper
Laboratory reference range: 72–166 µg/dL
Functional reference range: 81–157 µg/dL
Creatinine
Laboratory reference range:
Male and female: 0.76–1.27 mg/dL
Functional reference range:
Male: 0.85–1.1 mg/dL
Female: 0.7 – 1.0 mg/dL
CRP-hs
Laboratory reference range: 0–3 mg/L
Functional reference range: 0–1 mg/L
eGFR
Laboratory reference range: >59 mL/min/1.73
Eosinophils
Laboratory reference range:
Relative 0–5%
Absolute 0.0–0.4 x103/µL
Functional reference range:
Relative 0–3%
Absolute 0.0–0.4 x103/µL
Ferritin
Laboratory reference ranges:
Male: 30–400 ng/mL
Female: 15–150 ng/mL
Functional reference ranges:
Male: 30–200 ng/mL
Female: 30–100 ng/mL
Folate
Laboratory reference range: > 3 μg/L
Functional range: > 8 μg/L
Free Thyroxine Index
Laboratory reference range: 1.2–4.9
GGT
Laboratory reference range:
Male and female: 0–65 IU/L
Functional reference ranges:14
Male: 0–29 IU/L
Female: 0–21 IU/L
Globulin
Laboratory reference range: 1.5–4.5 g/dL
Functional reference range: 2.4–2.8 g/dL
Glucose
Laboratory reference range: 65–99 mg/dL
Functional reference range: 75–85 mg/dL
HDL
Laboratory reference range: 39+ mg/dL
Functional reference range: 50–85 mg/dL
Hematocrit
Laboratory reference range:
Male and Female: 37.5–51%
Functional reference ranges:
Male: 40–48%
Female: 37–44%
Hemoglobin
Laboratory reference range:
Male and Female: 12.6–17.7 g/dL
Functional reference ranges:
Male: 14–15 g/dL
Female: 13.5–14.5 g/dL
Hemoglobin A1c
Laboratory reference range: 4.8–5.6%
Functional reference range: 4.6–5.3%
Homocysteine
Laboratory reference range: 0–15 µmol/L
Functional reference range: < 7 µmol/L
Insulin
Laboratory Reference range: 2.6-24.8 uIU/ml
Functional lab range: 3-7 uIU/ml
Iron
Laboratory reference range: 40–155 µg/dL
Functional reference range: 40–135 µg/dL
Iron Saturation
Laboratory reference range: 15–55%
Functional reference range: 17–45%
LDH
Laboratory reference range: 121–224 IU/L
Functional reference range: 140–180 IU/L
LDL
Laboratory reference range: 0–99 mg/dL
Functional reference range: 50–140 mg/dL
Lymphocytes
Laboratory reference range:
Relative 26–46%
Absolute: 0.7–3.1 x103/µL
Functional reference range:
Relative 25–40%
Absolute: N/A
Magnesium
Laboratory reference range: 1.6–2.6 mg/dL
Functional reference range: 2.0–2.6 mg/dL
MCH
Laboratory reference range: 26.6–33 pg/cell
Functional reference range: 27.7–32 pg/cell
MCHC
Laboratory reference range: 31.5–35.7 g/dL
Functional reference range: 32–35 g/dL
MCV
Laboratory reference range: 79–97 fL
Functional reference range: 85–92 fL
MMA
Laboratory reference range: 0–378 nmol/L
Functional reference range: < 300 nmol/L
Monocytes
Laboratory reference range:
Relative 2–12%
Absolute 0.1–0.9 x103/µL
Functional reference range:
Relative 4–7%
Absolute N/A
Neutrophils
Lab reference range:
Relative: 49–74%
Absolute: 1.4 – 7.0 x103/µL
Functional reference range:
Relative: 40–60%
Absolute: N/A
Phosphorus
Laboratory reference range: 2.5–4.5 mg/dL
Functional reference range: 3.0–4.0 mg/dL
Platelets
Laboratory reference range: 150–379 x 103/µL
Functional reference range: 150–379 x 103/µL
Potassium
Laboratory reference range: 3.5–5.2 nmol/L
Functional reference range: 4.0–4.5 nmol/L
Protein, Total
Laboratory reference range: 6–8.5 g/dL
Functional reference range: 6.9–7.4 g/dL
PTH
Laboratory reference range: 15–65 pg/mL
Functional reference range: 15–30 pg/mL (PTH levels >30 pg/mL may be indicative of biological vitamin D deficiency when 25(OH)D levels are low.)
RBC
Laboratory reference range: 4.14–5.80 x 106/µL
Functional reference range: 4.40–4.90 x 106/µL
RDW
Laboratory reference range: 12.3–15.4%
Functional reference range: 11.5–15%
Serum B12
Laboratory reference range: 211–946 pg/mL
Functional reference range: 450–2000 pg/mL
Sodium
Laboratory reference range: 134–144 nmol/L
Functional reference range: 135–140 nmol/L
T3 Free
Laboratory reference range: 2.0–4.4 pg/mL
Functional reference range: 2.5–4.0 pg/mL
T3 Reverse
Laboratory reference range: 9.2–24.1 ng/dL
T3 Total
Laboratory reference range: 71–180 ng/dL
Functional reference range: 100–180 ng/dL
T3 Uptake
Laboratory reference range:
Male and Female: 24–39%
Functional reference ranges:
Male: 30–38%
Female: 28–35%
T4 Free
Laboratory reference range: 0.82–1.77 ng/dL
Functional reference range: 1.0–1.5 ng/dL
T4 Total
Laboratory reference range: 4.5–12 µg/dL
Functional reference range: 6–12 µg/dL
Tg Antibodies
Laboratory reference range: 0–0.9 IU/mL
TIBC
Laboratory reference range: 250–450 µg/dL
Functional reference range: 275–425 µg/dL
Total Cholesterol / HDL Ratio
Laboratory reference range: 0–5
Functional reference range: 0–3
TPO Antibodies
Laboratory reference range: 0–34 IU/mL
Triglycerides
Laboratory reference range: 0–149 mg/dL
Functional reference range: 50–100 mg/dL
Triglycerides / HDL Ratio
Laboratory reference range: 0–3.8
Functional reference range: 0–2
TSH
Laboratory reference range: 0.45–4.5 µIU/mL
Functional reference range: 0.5–2.0 µIU/mL
TSI Antibodies
Laboratory reference range: 0–139% of basal activity
UIBC
Laboratory and functional reference range: 175–350 µg/dL
Uric Acid
Laboratory reference range: 3.7–8.6 mg/dL
Functional reference range:
Male: 3.7–6 mg/dL
Female: 3.2–5.5 mg/dL
Vitamin D, 25-hydroxy
Laboratory reference range: 30–100 ng/mL
Functional reference range: 35–60 ng/mL
WBC
Laboratory reference range: 3.4–10.8 x 103/µL
Functional reference range: 5.0–8.0 x 103/µL
Zinc
Laboratory reference range: 56–134 µg/dL
Functional reference range: 81–157 µg/dL
Zinc / Copper Ratio
Functional reference range: 0.85–1.2