| ACTH | 8:00 AM | <18 pmol/L (<80 pg/mL) |
| Aldosterone | 8:00 AM | <220 pmol/L (<8 ng/dL) |
| Potassium | | 3.5–5.0 mmol/L (3.5–5.0 mEq/L) |
| Angiotensin II | 8:00 AM | 10–30 nmol/L (10–30 pg/mL) |
| Arginine vasopressin | Random fluid intake | 1.5–5.6 pmol/L (1.5–6 ng/L) |
| Plasma osmolarity | | 285–295 mOsmol/L |
| Sodium | | 136–145 mmol/L (136–145 mEq/L) |
| Cortisol | 8:00 AM 4:00 PM | 140–690 nmol/L (5–25 μg/dL) 80–330 nmol/L (3–12 μg/dL) |
| DHEA | | 7–31 nmol/L (2–9 μg/L) |
| DHEAS | | 1.3–6.7 μmol/L (500–2500 μg/L) |
| 17-Hydroxyprogesterone | Women | |
| Follicular | 0.6–3 nmol/L (0.20–1 μg/L) |
| Luteal | 1.5–10.6 nmol/L (0.5–3.5 μg/L) |
| Men | 0.2–9 nmol/L (0.06–3 μg/L) |
| Calcium | Plasma | 2.2–2.6 mmol/L (9–10.5 mg/dL) |
| Phosphorus | Inorganic | 1.0–1.4 mmol/L (3–4.5 mg/dL) |
| Vitamin D | | 40–160 pmol/L (16–65 pg/mL) |
| Calcitonin | | <50 ng/mL (<50 pg/mL) |
| Glucagon | | 50–100 ng/mL (50–100 pg/mL) |
| Insulin | Overnight fast | 43–186 pmol/L (6–26 μU/mL) |
| Glucose | Overnight fast | 4.2–6.4 mmol/L (75–115 mg/dL) |
| β-OH butyrate | | <300 μmol/L (<3 mg/dL) |
| Lactate | Venous plasma | 0.6–1.7 mmol/L (5–15 mg/dL) |
| Fatty acids | Free | 180 mg/L (<18 mg/dL) |
| Androstenedione | Women Men | 3.5–7.0 nmol/L (1–2 ng/mL) 3.0–5.0 nmol/L (0.8–1.3 ng/mL) |
| Estradiol | Women Men | 70–220 pmol/L (20–60 pg/mL) <180 pmol/L (50 pg/mL) |
| Progesterone | Women | |
| Luteal peak | >16 nmol/L (75 ng/mL) |
| Men, prepubescent girls, postmenopausal women | <6 nmol/L (<2 ng/mL) |
| Testosterone | Women Men Prepubertal boys and girls | <3.5 nmol/L (<1 ng/mL) 10–35 nmol/L (3–10 ng/mL) 0.17–0.7 nmol/L (0.05–0.2 ng/mL) |
| FSH | Women (reproductive age) Ovulatory surge Postmenopausal women Mature men | 5–20 IU/L (5–20 mIU/mL) 12–30 IU/L (12–30 mIU/mL) 12–30 IU/L (12–30 mIU/mL) 5–20 IU/L (5–20 mIU/mL) |
| LH | Women (reproductive age) Ovulatory surge Postmenopausal women Mature men | 5–25 IU/L (5–25 mIU/mL) 25–100 IU/L (25–100 mIU/mL) >50 IU/L (>50 mIU/mL) 5–20 IU/L (5–20 mIU/mL) |
| β-hCG | Men and nonpregnant women | <3 IU/L |
| Oxytocin | Random Ovulatory peak | 1–4 pmol/L (1.25–5 pg/mL) 4–8 pmol/L (5–10 ng/mL) |
| Prolactin | | 2–15 μg/L (2–15 ng/mL) |
| Growth hormone | Post 100 g glucose PO | <5 μg/L (<5 ng/mL) |
| TSH | | 0.4–5 mU/L (0.4–5 μU/mL |
| Thyroxine (T4) | | 64–154 nmol/L (5–12 μg/dL) |
| Triiodothyronine (T3) | | 1.1–2.9 nmol/L (70–190 ng/dL) |
| Reverse T3 | | 0.15–0.61 nmol/L (10–40 ng/dL) |
| Resin T3 uptake | | 25–35% |