Fat or lipids, feces; quantitative
CPT4 code
Name of the Procedure:
Fat or lipids, feces; quantitative
(Common Name: Fecal Fat Test)
Summary
A fecal fat test measures the amount of fat in a stool sample. It is a non-invasive diagnostic procedure used to assess how well the body is digesting and absorbing fats.
Purpose
This test helps diagnose conditions that affect fat digestion and absorption, such as pancreatic insufficiency, Crohn's disease, and cystic fibrosis. The goal is to identify any malabsorption issues that can lead to nutritional deficiencies and guide appropriate treatment options.
Indications
- Persistent diarrhea
- Unexplained weight loss
- Steatorrhea (fatty, greasy stools)
- Suspected malabsorption syndromes
- Chronic pancreatitis
- Cystic fibrosis
Preparation
- Follow a high-fat diet (typically 100 grams of fat per day) for 72 hours prior to and during the test period as instructed by your healthcare provider.
- Avoid taking laxatives and medications that can affect digestion or stool consistency, unless advised otherwise.
- Collect stool samples as per the given instructions over a specified period (usually 3 days).
Procedure Description
- The patient is given a special container and instructions for stool collection.
- The patient follows a high-fat diet and collects all stools during the test period.
- The collected samples are stored in the provided container and returned to the laboratory.
- The laboratory processes the samples to measure the fat content using chemical analysis.
No anesthesia or sedation is required as it is a sample collection procedure.
Duration
The entire test duration typically spans 3 days for stool collection, with additional processing time in the laboratory.
Setting
This procedure is conducted primarily at home for stool collection. The sample is then processed in a specialized laboratory.
Personnel
- Patient (sample collection)
- Healthcare provider (instructions and coordination)
- Laboratory technicians (sample analysis)
Risks and Complications
- Minimal to no risks as it is non-invasive.
- Improper sample collection or contamination could lead to inaccurate results.
Benefits
- Identifies malabsorption and digestive issues.
- Helps in diagnosing conditions affecting the pancreas and small intestine.
- Guides appropriate treatment and dietary adjustments.
Recovery
- No recovery time needed as this is a diagnostic test.
- Follow any additional instructions provided by your healthcare provider based on test results.
Alternatives
- Blood tests to measure fat absorption markers.
- Imaging studies like abdominal CT scans.
- Breath tests for bacterial overgrowth.
Pros and cons:
- Blood tests provide immediate results but may not be as specific for fat malabsorption.
- Imaging studies can reveal anatomical issues but are more costly and invasive.
- Breath tests can identify bacterial overgrowth but not fat malabsorption directly.
Patient Experience
- May feel inconvenience due to dietary restrictions and stool collection.
- No pain or discomfort related to the test.
- Instructions provided will help in managing the process smoothly.