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Culture, bacterial; with isolation and presumptive identification of each isolate, urine

CPT4 code

Name of the Procedure:

Culture, bacterial; with isolation and presumptive identification of each isolate, urine.

Summary

A urine culture is a laboratory test conducted to detect and identify bacterial infections in the urinary tract. By isolating and identifying the specific bacteria, doctors can prescribe the most effective treatment.

Purpose

This procedure is used to diagnose urinary tract infections (UTIs). It helps identify the specific bacteria causing the infection, which is crucial for effective treatment.

Indications

Patients who exhibit symptoms of a UTI, such as frequent urination, painful urination, strong-smelling urine, or pelvic pain, are often candidates for this procedure. It can also be used for patients with recurrent infections or when initial treatments have failed.

Preparation

  • Generally, no special preparation is required.
  • Patients should avoid urinating at least 1-2 hours before the test.
  • A sterile urine sample is required, sometimes obtained using a midstream technique to minimize contamination.

Procedure Description

  1. Sample Collection: The patient will collect a urine sample using a sterile container, typically through the midstream catch method.
  2. Laboratory Analysis: The urine sample is then cultured in the laboratory to allow bacteria to grow.
  3. Isolation and Identification: Technicians isolate the bacterial colonies and perform preliminary tests to presumptively identify each type of bacterium.

Tools and equipment include sterile containers for urine collection, culture media, and laboratory equipment for bacterial identification.

No anesthesia or sedation is involved.

Duration

The initial sample collection takes a few minutes. Laboratory analysis can take 1-3 days for bacterial growth and identification.

Setting

The urine sample is usually collected in a clinic, doctor's office, or laboratory. The analysis is performed in a specialized laboratory.

Personnel

  • Nurse or medical technician for sample collection
  • Medical laboratory technologists or microbiologists for analysis

Risks and Complications

  • Minimal risks are associated, mostly related to contamination of the sample.
  • Rarely, incorrect identification may occur, requiring repeat testing.

Benefits

  • Accurate identification of the bacterial cause of a UTI
  • Tailored antibiotic treatment for effective results
  • Symptom relief typically begins within a few days of starting appropriate treatment

Recovery

  • No specific recovery process as it is a diagnostic test.
  • Follow-up might include discussing the results with a healthcare provider to determine the next steps.

Alternatives

  • Rapid dipstick tests can indicate the presence of bacteria but do not identify specific types.
  • Imaging tests for severe or recurrent cases
  • Empiric antibiotic treatment, though less targeted

Patient Experience

  • Minimal discomfort during urine sample collection.
  • Patients might feel relief upon receiving appropriate treatment based on the culture results.
  • Pain management is not needed as the procedure is non-invasive.

Medical Policies and Guidelines for Culture, bacterial; with isolation and presumptive identification of each isolate, urine

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