Common Lab tests Red stuff Flashcards
Normal urine color
Pale yellow (straw) to amber
Hydrated urine color
Straw
Dehydrated urine color
Amber
Colorless urine
Large fluid intake, untreated DM, DI
Orange urine
Pyridium/AZO (Medications)
Reddish or dark brown urine
Blood (RBCs), Hemoglobin, Myoglobin
High SG urine
Dehydration
Low SG Urine
DI
Alkaline urine
UTI (Some bacterial strains)
Hematuria
Lower UTI, Nephrolithiasis, Urinary tract cancers, renal cancers, Urinary catheter (Trauma), anticoagulants, strenuous exercise
Proteinuria
Kidney disease, DM
Glucosuria
DM
Ketonuria
DM (Ketoacidosis), starvation/fasting. FALSE POSITIVE = Dehydration
Urine Nitrite
Marker for bacteria. FALSE POSITIVES with Pyridium/AZO
Urine LE
UTI, FALSE POSITIVES = vaginal discharge, contamination. FALSE NEGATIVES = Pyridium/AZO
Increased urinary Bilirubin
Liver disease, infection or other toxic agents
Increased urine urobilinogen
Liver disease
Urine test specimen handling
Test w/in 1hr or refrigerate
urine microscopy with WBCs
UTI, stones, cancer, inflammation
urine microscopy RBCs
UTI, renal cancer, bladder cancer, kidney stones
Urine microscopy with epithelial cells
contamination
Urine microscopy with RBC casts
hemorrhage, glomerulonephritis
urine microscopy WBC casts
pyelonephritis
Components of CBC
WBCs, RBCs, Platelets, Hgb, Hct
Components of CBC with Diff
WBCs, RBCs, Platelets, Hgb, Hct; Neu, eosin, baso, lymcytes, mocytes
Luekocytosis
Infection or inflammation. Can also be caused by Prednisone
Leukopenia
Viral infections, BAD infections (Sepsis)
Neutrophils
Most numerous WBC, 1st line of defense (Phagocytosis)