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The CPT® Code 84586 refers to a laboratory test that measures the levels of vasoactive intestinal peptide (VIP) in the blood. VIP is a significant hormone produced by the pancreas, playing a crucial role in various physiological functions. It is known to stimulate heart contractions, which can enhance cardiac output, and induce vasodilation, thereby lowering arterial blood pressure. Additionally, VIP has a relaxing effect on the smooth muscles of the trachea, stomach, and gallbladder, facilitating easier passage of contents through these organs. Furthermore, it promotes glycogenolysis, the process of breaking down glycogen into glucose, which is vital for maintaining blood sugar levels. Elevated levels of VIP can be indicative of VIPoma, a rare type of tumor that arises from the islet cells of the pancreas, leading to excessive production of this hormone. The test involves obtaining a blood sample through venipuncture, which is a separately reportable procedure, and the plasma is then analyzed using a quantitative radioimmunoassay method to determine the concentration of VIP in the bloodstream.
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The vasoactive intestinal peptide (VIP) test, represented by CPT® Code 84586, is indicated for the evaluation of conditions associated with abnormal levels of VIP in the bloodstream. The primary indications for this test include:
The procedure for measuring vasoactive intestinal peptide levels involves several key steps, which are outlined as follows:
After the procedure, the patient may experience minor discomfort or bruising at the venipuncture site, which typically resolves quickly. There are no specific post-procedure care instructions related to the VIP test itself; however, patients should be monitored for any unusual symptoms. The results of the VIP test will be analyzed and reported to the healthcare provider, who will interpret the findings in the context of the patient's clinical condition and determine any necessary follow-up actions or treatments based on the results.
| Short Descr | ASSAY OF VIP | Medium Descr | ASSAY OF VASOACTIVE INTESTINAL PEPTIDE | Long Descr | Vasoactive intestinal peptide (VIP) | Status Code | Statutory Exclusion (from MPFS, may be paid under other methodologies) | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 9 - Not Applicable | Multiple Procedures (51) | 9 - Concept does not apply. | Bilateral Surgery (50) | 9 - Concept does not apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 9 - Concept does not apply. | Co-Surgeons (62) | 9 - Concept does not apply. | Team Surgery (66) | 9 - Concept does not apply. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | CLIA Waived (QW) | No | APC Status Indicator | Conditionally packaged laboratory tests | Type of Service (TOS) | 5 - Diagnostic Laboratory | Berenson-Eggers TOS (BETOS) | T1H - Lab tests - other (non-Medicare fee schedule) | MUE | 1 | CCS Clinical Classification | 233 - Laboratory - Chemistry and Hematology |
| 90 | Reference (outside) laboratory: when laboratory procedures are performed by a party other than the treating or reporting physician or other qualified health care professional, the procedure may be identified by adding modifier 90 to the usual procedure number. | GA | Waiver of liability statement issued as required by payer policy, individual case | GY | Item or service statutorily excluded, does not meet the definition of any medicare benefit or, for non-medicare insurers, is not a contract benefit | Q4 | Service for ordering/referring physician qualifies as a service exemption |
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| 2013-01-01 | Changed | Medium Descriptor changed. |
| 1994-01-01 | Added | First appearance in code book in 1994. |
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