Occult blood refers to the presence of blood in body fluids or tissues that is not visible to the naked eye. It is often an indicator of an underlying health condition or injury. This hidden blood can be detected through various diagnostic tests, such as urine tests, stool tests, or medical imaging techniques. One commonly used method to detect occult blood is the fecal occult blood test (FOBT). This test involves analyzing a small sample of stool for the presence of blood using chemical reagents. It is primarily used to screen for colorectal cancer or other gastrointestinal conditions that may cause bleeding in the digestive tract.
The most important thing to understand is, colon cancer can be prevented or caught early and treated. Knowing your personal risk factors allows you and your doctor to make smart choices about what screening methods to use and how frequently to use them.
Additionally, immunochemical fecal occult blood tests do not react with animal hemoglobin; peroxidase compounds; or with drugs, vitamins, or other substances that can produce false results, thereby eliminating the need for dietary or drug restrictions prior to patient specimen collection. Additionally, immunochemical fecal occult blood tests do not react with animal hemoglobin; peroxidase compounds; or with drugs, vitamins, or other substances that can produce false results, thereby eliminating the need for dietary or drug restrictions prior to patient specimen collection.
It is primarily used to screen for colorectal cancer or other gastrointestinal conditions that may cause bleeding in the digestive tract. Another method to detect occult blood is through urine tests. Urine can contain blood if there is bleeding in the urinary tract or other related conditions.
Ocvult blood lapcorl
Order Name ICT OCCULT
Test Number: 3510285
Revision Date 11/30/2021
| Test Name | Methodology | LOINC Code |
|---|---|---|
| Fecal Immunochemical Test (FIT) / (iFOBT) / Occult Blood | Immunochemical Fecal Occult Blood Test | 29771-3 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 1 Kit | Stool, Random | FIT / ICT Dowel Probe Kit | Room Temperature |
| Instructions | Specimen should be immediately transferred to the provided sampling FIT/ICT device by the patient or provider at time of specimen collection. Specimen stability outside of the collection device is unknown. FIT/ICT devices are acceptable up to 14 days after collection; keep refrigerated at 2-8 C if delay is anticipated. Submitting raw stools instead of the approved collection device is strongly discouraged. Raw stools must be transferred into the collection device within 4 hours to be acceptable for testing. For more information concerning the collection and kit refer to this test in our Specialized Testing section. Please contact your Sales Representative or Client Services if you have not received the new collection device. | |||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon-Fri |
| Expected TAT | 5-7 Days |
| Clinical Use | AKA: Fecal Immunochemical Test (FIT) The automated fecal occult blood test detects the presence of human hemoglobin using a photometric reading of the presence of an antibody-antigen complex. This immuno-chemical test provides several advantages over the old guaiac method which include ease of collection, reduction in the number of samples needed, no dietary restrictions, increased specificity for human hemoglobin and detection of hemoglobin from the colon or rectal area only. |
| Notes | No special diet needed. If upper GI bleed is suspected, a traditional stool guaiac tests should be performed (OCC BL 1,2,3) The ICT OCCULT is specific for human hemoglobin from the colon or rectal area only for the detection of colorectal cancer, or lower GI bleeding. |
| CPT Code(s) | 82274 |
| Lab Section | Microbiology |
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Microscopic analysis or dipstick tests can be used to detect the presence of blood cells or hemoglobin in the urine. Occult blood can also be detected using medical imaging techniques, such as endoscopy or colonoscopy. These procedures involve inserting a flexible tube with a camera into the body to visualize the internal organs and detect any signs of bleeding. The presence of occult blood can be a symptom of various health conditions, including gastrointestinal ulcers, hemorrhoids, diverticulosis, kidney stones, urinary tract infections, or even certain types of cancers. In some cases, it may be a result of medication or dietary factors. If occult blood is detected, further diagnostic tests may be necessary to determine the underlying cause. This may involve additional imaging, blood tests, or tissue biopsies. In conclusion, occult blood refers to blood that is not visible to the naked eye but can be detected through various diagnostic tests. It is often an indicator of an underlying health condition and further evaluation is necessary to determine the cause. Detecting occult blood is important for early diagnosis and treatment of potential underlying diseases..
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