Normal Lab Values- Nursing

WBC

5,000-10,000

< immunosuppression

> infection

Hematocrit

37-52% percentage of RBCs

< fluid overload

> dehydration

Hemoglobin

12-18 g/dL

< anemia, bleeding

> Polycythemia (elevated red blood cell count)

Platelets

150,000-400,000

< Decreased clotting

> Increased clotting

Sodium

135-145 mEq/L

< fluid overload

> dehydration

Potassium

3.5-5.0 mEq

abnormal= cardiac rhythm irregularities

Magnesium

1.3-2.1 mEq/L

Calcium

9-10.5

Chloride

98-106 mEq/L

follows shift in sodium

Phosphorous

3.0-4.5 mg/dL

BUN

10-20 mg/dL

< liver disease, fluid overload

> renal disease, dehydration

Serum Creatinine

0.2-1.0 mg/dL

elevated= kidney impairment

Urinary Creatinine Clearance

80-140

decreased= kidney impairment

Glucose

70-110 mg/dL

> Diabetes mellitus and stress of surgery

A1C

4-6%

INR

<1 sec

aPTT

30-40 seconds

ALT

5-36

>indicate liver damage/disease

AST

7-40

>indicate disease/injury esp the liver

Troponin

<0.04

pH

a7.35-7.45b

HCO3

a22-26b mEq/L

PaCO2

b35-45a mmHg

PaO2

80-100%

Normal Urine Output

30 mL/hr

normal deep tendon reflex

2+

Albumin

3.5-5

< indicates renal/liver disease, malnutrition, inflammation

LDH

100-190 units/L

> indicates tissue damage

Cholesterol

<200 mg/dL

75% LDL and 25% HDL

GFR (glomerular filtration rate)

90-120 mL/min

Renal function

Digoxin normal range

0.5-2.0 ng/mL

Magnesium normal range

1.5-2.5 mEq/L

IOP normal range

10-21 mm Hg

ICP normal range

0-15 mmhg

Specific Gravity Normal Range

1.010-1.025

Prothrombin Time (PT)

9.5-12 seconds

Partial Thromboplastin Time (PTT)

60-70 seconds

Activated PTT (APTT)

21-35 seconds

FORMULA APTT AND PT

1. Baseline APTT (heparin) & PT (Warfarin)

2. Multiply 1.5-2.5

3. Safe time level: 30-50