Lab Values ("Need to Know") Flashcards
Sodium (Na+)
136-145 mEq/L
Potassium (K+)
3.5-5 mEq/L
Calcium total (Ca++)
9.0-10.5 mg/dL
Magnesium (Mg++)
1.3-2.1 mEq/L
Phosphorus (PO4)
3.0-4.5 mg/dL
Chloride (Cl)
98-106 mEq/L
pH
7.35-7.45
PaCO2
35-45 mm Hg
PaO2
80-100 mm Hg
HCO3 (bicarbonate)
21-28 mEq/L
RBCs: Male/Female
Male: 4.7-6.1 million/uL & Female: 4.2-5.4 million/uL
Hgb: Male/Female
Male: 14-18 g/dL & Female: 12-16 g/dL
Hct: Male/Female
Male: 42-52% & Female: 37-47% (3x Hgb level)
WBCs
5,000-10,000 mm3
Erythrocyte Sedimentation Rate (ESR)
< 20 mm/hr
Total serum cholesterol
< 200 mg/dL; if high risk for cardiac or stroke event 150 mg/dL
LDL (low-density lipids)
< 130 mg/dL
HDL (high-density lipids)
< 150 mg/dL
Triglycerides
< 150 mg/dL; Males 40-160 mg/dL; Females 35-135 mg/dL
Normal INR
0.7-1.8
Therapeutic INR
2.0-3.0
Normal PT
11-12.5 sec
Therapeutic PT (anticoagulant therapy)
1.5-2 times the normal or control value
Normal Partial Thromboplastin Time (aPTT)
30-40 sec
Therapeutic aPTT (anticoagulant therapy)
45-80 sec (1.5-2 times the normal or control value) - 100 sec is at a critical level
Platelets
150,000-400,000/mm3
Albumin
3.5-5 g/dL
Ammonia
15-45 mcg/dL
Total bilirubin
0.1-1.0 mg/dL
Total protein
6-8 g/dL
Urine specific gravity
1.005-1.025 (hint: the higher the levels, the dryer the pt is)
Urine protein
0.8 mg/dL
Urine glucose
< 0.5 g/day
Urine ketones
none
Urine pH
4.6-8
Urine WBC: Male/Female
Male: 0-3 per high-power field & Female: 0-5 per high-power field
Serum creatinine: Male/Female
Male: 0.6-1.2 mg/dL & Female: 0.5-1.1 mg/dL
BUN
10-20 mg/dL
Creatinine clearance test: Male/Female
Male: 90-139 mL/min & Female: 80-125 mL/min - This is a calculation of GFR & is the best indicator for overall renal fxn
Glucose (fasting)
70-105 mg/dL
Glycosylated hemoglobin (HgbA1c)
4-6% (> 8% indicates poor DM control)