NEW LOWER PRICES - ACT FAST
Registered Nurse (RN)
/
Courses
/
Fundamentals of Nursing
/
Lab Values (all)

Remember Lab Values with Mnemonics by Picmonic

Picmonic makes learning and remembering lab values a breeze. We transform complex tests into unforgettable pictures with powerful lab values mnemonics. Engaging characters, stories, and quizzes solidify your understanding of normal ranges and abnormal findings. Master lab interpretation and boost patient care with Picmonic!

get premium

Fundamentals of Nursing | Registered Nurse (RN) School Study Aid

Lab Values (all)
32 Picmonics to Learn | 33 mins
Normal Electrolyte Lab Values
Potassium (K+)
3.5 to 5.0 mEq/L
Calcium (Ca2+)
8.5 to 10.5 mg/dL
Phosphate (PO43–)
2.5 to 4.5 mg/dL
Magnesium (Mg2+)
1.5 to 2.5 mEq/L
Sodium (Na+)
135 to 145 mEq/L
Chloride (Cl)
95 to 105 mEq/L
picmonic thumbnail
2 mins
Potassium (K+) Lab Value
3.5 to 5.0 mEq/L
picmonic thumbnail
20 secs
Sodium (Na+) Lab Value
135-145 mEq/L
picmonic thumbnail
24 secs
Chloride (Cl-) Lab Value
95-105 mEq/L
picmonic thumbnail
28 secs
Calcium (Ca2+) Lab Value
8.5 to 10.5 mg/dL
picmonic thumbnail
26 secs
Phosphate (PO43-) Lab Value
2.5 to 4.5 mg/dL
picmonic thumbnail
29 secs
Magnesium (Mg2+) Lab Value
1.5 to 2.5 mEq/L
picmonic thumbnail
28 secs
BUN (Blood Urea Nitrogen) Lab Values
10-20 mg/dL
picmonic thumbnail
40 secs
Creatinine Lab Values
Measures Renal Function
0.6 - 1.3 mg/dL
picmonic thumbnail
1 min
Bilirubin Lab Value
0.2-1.2 mg/dL
Increased Bilirubin Causes Jaundice
picmonic thumbnail
54 secs
Albumin Lab Value
3.5 - 5.5 g/dL
picmonic thumbnail
49 secs
Total Protein Lab Values
6.4 - 8.3 g/dL
picmonic thumbnail
1 min
Liver Enzyme Tests: AST and ALT
AST/ALT Ratio
AST: 8-20 U/L
ALT: 8-20 U/L
picmonic thumbnail
1 min
WBC Differential Lab Value
White Blood Cells (WBC)
5-10 (5,000-10,000)
Leukocyte Differential
Neutrophils (50%-70%)
Bands (2%-5%)
Segs (50%-70%)
Lymphocytes (20%-40%)
Monocytes (4%-8%)
Eosinophils (2%-4%)
Basophils (0.5%-1.5%)
picmonic thumbnail
2 mins
Red Blood Cell Count (RBC) Lab Values
Women: 3.5-5.5 million cells/ MuL
Men: 4.3-5.9 million cells/ MuL
picmonic thumbnail
1 min
Hemoglobin (Hgb) Lab Values
Men: 13 - 17 g/dL
Women: 12 - 16 g/dL
picmonic thumbnail
47 secs
Hematocrit (Hct) Lab Values
Women: 36% - 46%
Men: 41% - 53%
picmonic thumbnail
1 min
PT/PTT Lab Values
Prothrombin Time (PT)
10-14 seconds
Activated Partial Thromboplastin Time (PTT or aPTT)
25-35 seconds
picmonic thumbnail
1 min
INR Lab Value
0.8-1.2 Normal Range
Warfarin
2.0-3.0
picmonic thumbnail
1 min
Platelet Lab Value
150,000-400,000 Micro L
picmonic thumbnail
40 secs
Bleeding Time Lab Values
2-7 Minutes
picmonic thumbnail
41 secs
pH - Blood and Urine Lab Value
Blood
7.35 - 7.45
Urine
4.0 - 8.0
picmonic thumbnail
1 min
Urine Specific Gravity Lab Value
1.003-1.030
picmonic thumbnail
1 min
Blood Glucose Lab Value
70-100 mg/dL
picmonic thumbnail
25 secs
Hemoglobin A1c Lab Value
4-6%
picmonic thumbnail
1 min
Cholesterol Lab Values
LDL (Low Density Cholesterol)
< 100 mg/dL
HDL (High Density Cholesterol)
> 40 mg/dL Males
> 50 mg/dL Females
Total Cholesterol
< 200 mg/dL
picmonic thumbnail
1 min
Triglycerides Lab Value
< 150 mg/dL
picmonic thumbnail
51 secs
Troponin Lab Values
Troponin T (cTnT)
< 0.1 ng/mL Normal
Troponin I (cTnI)
< 0.5 ng/mL Normal
> 2.3 ng/mL Myocardial Injury
picmonic thumbnail
2 mins
Cardiac Enzyme Evaluation: Myoglobin
Measures
Skeletal or Cardiac Muscle Injury
Time Ranges
Onset: 1 - 4 Hours
Peak: 12 Hours
Return to Normal: 24 Hours
Considerations
Elevation After 24 Hours: Reinfarction
picmonic thumbnail
2 mins
Cardiac Enzyme Evaluation: Troponin
Measures
Cardiac Muscle Injury
Time Ranges
Detection in Blood: 4 Hours
Peak: 24 - 36 Hours
Return to Normal: 5 - 14 Days
Considerations
Most Specific for Cardiac Muscle
Treat Aggressively
picmonic thumbnail
2 mins
Cardiac Enzyme Evaluation: Creatine Kinase CK-MB
Measures
Skeletal or Cardiac Muscle Injury
Time Ranges
Onset: 4-8 Hours
Peak: 12-24 Hours
Return to Normal: 2-3 Days
picmonic thumbnail
1 min
CSF Lab Values: Normal
Pressure: < 20 cm H2O
Color/Appearance: Clear or Colorless
Proteins: < 40 mg/dL
Lactate Dehydrogenase: 10% of Serum Level
Cells: 0-5 Small Lymphocytes
Glucose: 40-70 mg/dL
picmonic thumbnail
2 mins

Ace Your Registered Nurse (RN) Classes & Exams with Picmonic:

Over 1,970,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 Registered Nurse (RN) student study app.

Picmonic for Registered Nurse (RN) covers information that is relevant to your entire Registered Nurse (RN) education. Whether you’re studying for your classes or getting ready to conquer your NCLEX®-RN, Hesi, ATI, TEAS test, Kaplan exams, we’re here to help.

Works better than traditional Registered Nurse (RN) flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.

It's worth every penny