Fasting Blood Glucouse (FBS)

[Reference Range]

Serum:  70-110 mg/dL

CSF: 40-70 mg/DL

(or 2/3 of blood level)

Hbg A1-C

[Reference Range]

OGTT (adult, 75 g load)

[Reference Range]

Fasting:  70-110 mg/dL

1/2 Hour:  Less than 170 mg/dL

1 Hour:  Less than 170 mg/dL

2 Hr:  Under 110 mg/dL

3 Hr:  Fasting level

4, 5 Hr:  Fasting level

Serum Osmolality

[Reference Range]

Urine, 24- Hour Osmality

[Reference Range]

300-900 mOsm/Kg

Urine/Serum Osmolality Ratio

[Refence Range]

Random 1.0-3.0

Should be greater than 3.0 after 12 hours fluid restriction

Adult Billirubin Values

[refence ranges]

Total:  0.2-1.0 mg/dL

Direct:  0.0-0.4 mg/dL

Neonatal Bilirubin Values- 

(Total=Indirect Bilirubin)

[Refence range]

Cord Blood:  less than 4.5 mg/dL

3 Day: Less than 7.0 mg/dL

5 Day: Less than 12.0 mg/dL

7 Day: Less than 7.0 mg/dL

Sodium

(mEq/L=mMol/L)

[Reference Range]

Potassium

(mEq/L=mMol/L)

[Reference Range]

Adult: 3.5-5.1 mMol/L

Newborn: 3.7-5.9 mMol/L

Chloride

[Reference range]

Plasma:  98-106 mMol/L

Sweat:  up to 35 mMol/L

Total CO₂

[reference range]

Venous:  23-30 mMol/L

Arterial: 22-29 mMol/L

Capillary:  22-20 mMol/L

Bicarbonate

[reference range]

Venous: 22-20 mMol/L

Arterial: 21-28 mMol/L

Capillary:  21-28 mMol/L

Plasma Lactic Acid (lactate)

[reference range]

Blood pH

[reference range]

Venous:  7.32-7.42

Arterial:  7.35-7.45

Capillary:  7.35-7.45

Anion Gap

Serum Calcium

[reference range]

Children values slightly higher than adults

Total:  8.4-10.2 mg/dL

2.1-2.6 mMol/L

Ionized:  1.10-1.35 mMol/L

Serum Inorganic Phosphorous

[reference range]

Adults:  3.0-4.5 mg/dL

Children:  4.5-6.5 mg/dL

Serum Magnesium

[reference range]

1.6-2.3 mg/dL

0.65-1.05 mMol/L

Serum Iron

[reference range]

Males:  50-170 ug/dL

Females:  30-160 ug/dL

Serum TIBC

[reference range]

Transferrin Iron Saturation

[reference range]

Plasma Ammonia Nitrogen

[reference range]

BUN

[reference range]

Urea

[reference range]

Serum/Plasma Creatinine

[reference range]

Males:  0.6-1.2 mg/dL

Females:  0.5-1.1 mg/dL

24-Hour Urine Creatinine

[reference range]

Males:  800-1800 mg/Day

Females:  600-1600 mg/day

Creatinine Clearance (GFR)

[reference range]

Males:  97-137  mL/min

Females:  88-128 mL/min

Uric Acid

(serum/plasma)

[reference range]

Males:  3.5-7.2 mg/dL

Females:  2.6-6.0 mg/dL

Haptoglobin

[reference range]

40-180 mg/dL

(as Hgb. binding capacity)

Total Protein

[reference range]

6.0-8.2 g/dL

Albumin

[reference range]

A/G Ratio

[reference range]

CSF Protein

[reference range]

Urine Protein

[reference range]

50-150 mg/day

or

< 10 mg/dL random

Total Cholestrol

[reference range]

Optimal:  <200 mg/dL

Borderline:  200-239 mg/dL

High Risk:  > 240 mg/dL

LDL- Cholestrol

[reference range]

Optimal:  <100 mg/dL

Above Optimal:  100-129

Borderline:  130-159

High Risk:  160-189

Very High: >190 mg/dL

HDL-Cholestrol

[reference range]

Optimal:  >40 mg/dL

High Risk:  <40 mg/dL

Triglycerides

[reference range]

Optimal:  <150 mg/dL

Borderline:  150-199

High Risk:  200-499

Verh High:  500 mg/dL and above

Total/HDL Cholestrol Ratio

[reference range]

LDL/HDL Cholestrol Ratio

[reference range]

Amniotic Fluid L/S Ratio

(extremely dependent on method)

[reference range]

Mature:  >2.0 with PG+

Borderline:  1.6-2.0 with PG-

Immature:  <1.5 with PG-

Total T₄

[reference range]

Total T₃

[reference range]

T₃-Uptake

[reference range]

TBG Saturation

[reference range]

TSH

[reference range]

FTI

(31% method)

[reference range]

Serum or Plasma Glucose

(kids and adults)

[Critical Value]

Below 40 mg/dL=  Brain damage

Above 450 mg/Dl=   Diabetic Coma

Plasma Glucose

(newborn infant-6 weeks)

[Critical Value]

Below 30 mg/dL=  brain damage

Above 300 mg/dL=   diabetic coma

Serum Total Bilirubin

(newborn-6 months of age)

[Critical Value]

Above 20.0 mg/dL

May Require an Emergency Exchange Transfusion

Potassium

(children and adults- serum or plasma)

[Critical Value]

Below 3.0 mMol/L=  Tetany, cardiac fibrillation

Above 6.1 mMol/L=  arrhythmias, cardiac failure  (evaluate for hemolysis)

Potassium

(newborn- serum or plasma)

[Critical Value]

Below 3.0 mMol/L=  Tetany, Cardiac Fibrillation

Above 6.6 mMol/L=  Arrythmias, cardiac failure (check for hemolysis)

Sodium 

(serum or plasma)

[Critical Value]

Below 120 mMol/L=  Vascular collapse, heart failure

Above 170 mMol/L=  Severe hypertension, stroke, heart failure

Serum Bicarbonate (or Total CO₂)

[Critical Value]

Below 10 mMol/L=  Severe Metabolic ACIDosis

Above 55 mMol/L= Severe Metabolic ALKALosis

Blood pH

[Critical Value]

Below pH 7.20=  Severe ACIDosis

Above 7.6=  Severe ALKALosis

Serum or Plasma Calcium

(Total)

[Critical Value]

Below 6.0 mg/dL=  Tetany, convulsions  (check for wrong anticoagulants)

Above 13.0 mg/dL=  Coma

Serum, Plasma, or Whole Blood Calcium (Ionized)

[Critical Value]

Below 0.79 mMol/L=  Tetany, convulsions (check for wrong anticoagulants)

Above 1.57 mMol/L=  Coma

Serum or Plasma Inorganic Phosphorous

[Critical Value]

Serum or Plasma Magnesium

[Critical Value]

Below 1.0 mg/dL=  Tetany, convulsions (check for wrong anticoagulants)

Above 9.0 mg/dL=  Coma (evaluate for hemolysis)

_{Note:  Contamination from powdered gloves (talk is Mg++ and/or Ca++ Stearate) will cause drastic elevations in Calcium and/or Magnesium)}

Serum or Plasma Lithium

[Critical Value]