ASCP certification Reference Ranges

Bilirubin, total

0.2 - 1 mg/dL
Increased: liver disease, hemolysis
> 20 mg.dL associated with brain damage

Conjugated bilirubin (direct)

< 0.2 mg/dL
Increased: liver disease, obstructive jaundice

Unconjugated bilirubin (indirect)

< 0.8 mg/dL
Increased: prehepatic, posthepatic

BUN

6 - 20 mg/dL
Increase: Kidney disease
Decrease: ovehydration, liver disease

Calcium, total

8.6 - 10 mg/dL
Ionized: 4.6 - 5.08 mg/dL
Increased: primary hyperparathyroidism, cancer, multiple myeloma
Decreased: hypoparathyroidism, malabsorption, vitamin D deficiency, renal tubular acidosis

Chloride

98 - 107 mEq/L
Increase: same as Na+
Decrease: vomiting, diabetic ketoacidosis, aldosterone deficiency, salt losing renal disease, metabolic alkalosis, compensated respiratory acidosis

Glucose, fasting

70 - 99 mg/dL

Potassium

3.5 - 5.1 mEq/L
Increase: intake, excretion, crush injuries, metabolic acidosis
Decrease: GI or urinary loss, diuretics, metabolic alkalosis

Sodium

136 - 145 mEq/L
Increase: intake, hyperaldosteroneism, sweating, burns, diabetes insipidus,
Decrease: loss (vomiting, diarrhea), increased extracellular volume

Total protein

6.4 - 8.3 g/dL

Uric acid

M: .5 - 7.2 mg/dL
F: 2.6 - 6 mg/dL
Increase: gout, renal failure, ketoacidosis, lactate excess, high nucleoprotein diet, leukemia, lymphoma
Decrease: ACTH administration, renal tubular defect

Creatinine

0.7 - 1.5 mg/dL
Increase: kidney disease

Ammonia

19 - 60 ug/dL
Increase: lier disease, hepatic coma, renal failure Rye's syndrome

CO2 total

23 - 29 mmol/L
Increased: metabolic alkalosis, compensated respiratory acidosis
Decreased: metabolic acidosis, compensated respiratory alkalosis

Magnesium

1.6 - 2.6 mg/dL
Increased: renal failure, intake, dehydration, bone cancer, endocrine disorder,
Decrease: severe illness, GI disorder, endocrine disorder, renal loss

Phosphorus, inorganic

2.5 - 4.5 mg/dL
Increased: renal disease, hypoparathyroidism
Decreased: hyperparathyroidism, vitamin D deficiency, renal tubular acidosis

Lactate

4.5 - 19.8 mg/dL

Iron

M: 65-175 ug/dL
F: 50-170 ug/dL
Increased: iron overdose, hemochromatosis, sideroblastic anemia, hemolytic anemia, liver disease
Decreased: IDA

Total Iron Binding Capacity

250 - 425 ug/dL
Increased: IDA
Decreased: iron overdose, hemochromatosis

% saturation or transferrin saturation

20 - 50 %
Increased: iron overdose, hemochromatosis, sideroblastic anemia
Decreased: IDA

Transferrin

200 - 360 mg/dL
Increased: IDA
Decreased: iron overdose, hemochromatosis, chronic infetion, malignancy

Ferritin

M: 20 - 250 ug/L
F: 10 - 120 ug/L
Increased: iron overload, hemochromatosis, chronic infection, malignancies
Decreased: IDA

Acid Phosphatase (ACP)

Increased: prostate cancer

Alkaline Phosphatase (ALP)

Increased: Liver and bone disease (billiary tract obstruction)

Aspartate aminotransferase (AST)

Increased: Liver disease (viral hepatitis), AMI, muscular dystrophy

Alanine Aminotransferase (ALT)

Increased: liver disease

Gamma glutamyl transferase (GGT)

Increased: all hepatobilliary disorders chronic alcoholism

Lactate Dehydrogenase (LD)

Increased: AMI, liver disease, pernicious anemia

Creatinine Kinase (CK)

Increased: AMI, muscular dystrophy

Amylase (AMS)

Increased: acute pancreatitis, other abdominal diseases, mumps

Lipase (LPS)

Increased: acute pancreatitis

WBC

4.5 - 11.5 x 10^3/uL

RBC

M: 4.6 - 6 x 10^6/uL
F: 4 - 5.4 x 10^6/uL

Hemoglobin

M: 14-18 g/dL
F: 12 - 15 g/dL

Hematocrit

M: 40 - 54%
F: 12 - 15%

Mean Corpuscular Volume

80-100 fL

MCH

27 - 31 pg

MCHC

32-36%

Platelets

150 - 450 x 10^3/uL

Segmented neutrophils

50-70%
2.4 - 7.5 x 10^9/L

Band

2 - 6%
0.1 - 0.6 x 10^9/L

Eosinophil

0-4%
0-0.4 x 10^9/L

Basophil

0-2%
0 - 0.2 x 10^9/L

Monocyte

2 - 9%
0.1 - 0.9 x 10^9/L

Lymphocyte

20 - 44%
1.2 - 3.4 x 10^9/L

Prothrombin Time

12.6-14.6 seconds

Partial thromboplastin time

25-35 seconds

Thrombin time

< 21 seconds

INR

2.0-3.0