2025 CPT code 84133
Effective Date: N/A Pathology and Laboratory Procedures - Chemistry Procedures Feed
This test measures the amount of potassium in a urine sample.
Modifiers may be applicable to this code. Modifier 91 is used for repeat laboratory tests. Modifier 90 indicates the test was performed by an outside laboratory.
Medical necessity for a urine potassium test is determined by the patient's clinical presentation and the suspicion of potassium imbalance. Symptoms like muscle weakness, fatigue, irregular heartbeat, or gastrointestinal issues may warrant the test. Existing conditions like kidney disease, diabetes, or eating disorders can also establish medical necessity.
A laboratory professional analyzes a urine sample, which may be random or a 24-hour collection, to determine the potassium levels. They may use various methods, including atomic absorption spectroscopy or ion selective electrodes, to obtain the measurement.
In simple words: This test measures the potassium in your pee. Potassium is important for your body to work right. This test helps doctors figure out if you have too much or too little potassium, which can cause health problems.
A urine potassium test helps evaluate the level of potassium in the body. The test requires a urine sample, which can be either random or a 24-hour collection. The sample is analyzed in a laboratory setting using methods like atomic absorption spectroscopy or ion selective electrodes. This test is useful for diagnosing conditions associated with abnormal urine potassium levels. Elevated levels might indicate conditions like eating disorders, kidney damage, or metabolic issues like diabetic acidosis. Low urine potassium could be related to medications like beta blockers or disorders like hypoaldosteronism.
Example 1: A patient with suspected kidney disease has a urine potassium test to assess kidney function and electrolyte balance., A patient experiencing persistent vomiting and diarrhea undergoes a urine potassium test to evaluate electrolyte loss and dehydration., A patient with symptoms suggesting an eating disorder has a urine potassium test to check for electrolyte imbalances often associated with these conditions.
Proper documentation should include the type of urine specimen collected (random or 24-hour), the date and time of collection, and the reason for the test. Any relevant patient history or symptoms related to potassium imbalance should also be noted.
- Revenue Code: T1H - LAB TESTS - OTHER (NON-MEDICARE FEE SCHEDULE)
- Specialties:Nephrology, Endocrinology, Internal Medicine, Family Medicine
- Place of Service:Independent Laboratory, Office, Inpatient Hospital, Outpatient Hospital