Lab Values Refresher

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Anonymous
ID:
132274
Filename:
Lab Values Refresher
Updated:
2012-02-01 19:18:55
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lab values nursing
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Laboratory Values Refresher
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  1. Sodium
    135-145 mEq/L
  2. What does serum sodium evaluate?
    Renal/cardiac/neurological/GI function, acid-base balance
  3. Potassium
    3.5-5.1 mEq/L
  4. What does serum potassium evaluate?
    Cardiac/renal/GI function, need for IV replacement therapy
  5. Chloride
    98-107 mEq/L
  6. Serum bicarbonate
    22-29 mEq/L
  7. Activated partial thrombplastin time (aPTT)
    20-36 seconds
  8. What does aPTT evaluate?
    How well coagulation sequence is functioning
  9. Prothrombin time (PT)
    9.5 - 11.8 seconds
  10. International Normalized Ratio (INR)
    - Standard and high-dose therapy
    2.0-3.0 for standard warfarin therapy

    3.0-4.5 for high-dose warfarin therapy
  11. Anticoagulation therapy PT
    1.5-2 times laboratory control value
  12. PT at risk for bleeding
    > 30 seconds
  13. Clotting time
    8-15 minutes
  14. Clotting time (Nursing considerations)
    Shouldn't receive heparin therapy 3 hours before specimen collection
  15. Platelet count
    150,000-400,000 cells/mm3
  16. Erythrocyte Sedimentation Rate (ESR)
    0-30 mm/hr
  17. What does ESR evaluate?
    Presence of inflammation/Inflammatory process
  18. Hemoglobin
    12-16 g/dL
  19. Hematocrit
    35-52%
  20. Serum Iron
    50-175 mcg/dL
  21. RBC Count
    4-6 million cells/mm3
  22. Creatine Kinase (CK)
    CK-MB (Myocardial bound) is 0% to 5% of total CK.
  23. Lactate dehydrogenase (LDH) indicating MI
    if LDH1> LDH2 = MI
  24. Troponin I indicating MI
    Troponin I value lower than 0.6 ng/mL and higher than 1.5 ng/mL
  25. Albumin
    3.4-5 g/dL
  26. Alkaline phosphatase
    4.5-13 King-Armstrong units/dL
  27. Alkaline phosphatase - Falsely elevated
    Hepatotoxic drugs within 12hrs
  28. Ammonia
    35-65 mcg/dL
  29. Amylase
    25-151 units/L
  30. Lipase
    10-140 units/L
  31. Bilirubin (Direct, Indirect, and Total)
    • Direct: 0-0.3 mg/dL
    • Indirect: 0.1-1.0 mg/dL
    • Total: <1.5 mg/dL
  32. Bilirubin is produced by ________.
    Liver, spleen, and bone marrow.
  33. Cholesterol
    140-199 mg/dL
  34. Low-density lipoproteins
    < 130 mg/dL
  35. High-density lipoproteins
    30-70 mg/dL
  36. Triglycerides
    <200 mg/dL
  37. Lipids (nursing considerations)
    • Oral contraceptives may increase level.
    • Abstain from food and fluid for 12 hrs and alcohol 24 hrs before test.
  38. Protein
    6-8 mg/dL
  39. Protein (nursing considerations)
    Abstain from consuming fat 8 hrs before test
  40. Uric Acid
    2.5-8 6-8 mg/dL
  41. Fasting blood glucose
    70-110
  42. Glucose tolerance test (Baseline, 30, 60, 90, 120 minutes)
    • Baseline: 70-110
    • 30: 110 - 170
    • 60: 120-170
    • 90: 100-140
    • 120: 70-120
  43. Glycosylated hemoglobin
    Diabetic with -
    Good control:
    Fair control:
    Poor control:
    • Good control: 7.5% or lower
    • Fair control: 7.6% to 8.9%
    • Poor control: 9% or higher
    • (Fasting not required)
  44. Glycosylated serum albumin
    1.8-3.0 mol
  45. Serum creatinine
    0.6-1.3 mg/dL
  46. Blood urea nitrogen
    8-25 mg/dL
  47. Calcium
    8.6-10 mg/dL
  48. Magnesium
    1.6-2.6 mg/dL
  49. Phosphorus
    2.7.4.5 mg/dL
  50. Thyroid-stimulating hormone
    0.2-5.4 microunits/mL
  51. WBC count
    4500-11,000 cells/mm3
  52. Urine Tests
    Chloride
    Magnesium
    Potassium
    Protein
    Sodium
    Uric Acid
    pH
    Specific Gravity
    • Chloride: 110-250 mEq/24 hr
    • Magnesium: 7.3-12.2 mg/dL/24 hr
    • Potassium: 25-125 mEq/24hr
    • Protein: 40-150 mg/24hr
    • Sodium: 40-220 mEq/24 hr
    • Uric Acid: 250-750 mg/24 hr
    • pH: 4.5-7.8
    • Specific Gravity: 1.016-1.022
  53. Acetaminophen
    Tylenol: 10-20 mcg/mL
  54. Digoxin
    Lanoxin: 0.5-2 ng/mL
  55. Lithium
    Lithobid 0.5-1.3 mEq/L
  56. Phenytoin
    Dilantin: 10-20 mcg/mL
  57. Theophylline
    Aminophylline: 10-20 mcg/mL or 110-250 mEq/24 hr
  58. Carbamazepine
    Tegretol: 5-12 mcg/mL
  59. Phenobarbital
    Luminal: 10-30 mcg/mL
  60. Salicyclate
    100-250 mcg/mL
  61. Clonazepam
    Klonopin 20-80 ng/mL
  62. Lorazepam
    Ativan: 50-240 ng/mL

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