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The CPT® Code 86336 refers to the measurement of inhibin A levels through a blood test. Inhibin A is a heterodimeric protein hormone that plays a significant role in reproductive health. It is secreted by granulosa cells in the ovaries of females and Sertoli cells in the testes of males. Additionally, during pregnancy, inhibin A is produced by the placenta. The levels of this hormone can fluctuate normally during specific phases of the female menstrual cycle and may also elevate during pregnancy. However, abnormal elevations of inhibin A can indicate various medical conditions, such as ovarian tumors, specifically granulosa cell tumors and epithelial mucinous-type tumors, as well as congenital abnormalities in the fetus, such as Down Syndrome. Furthermore, elevated levels may be associated with pregnancies complicated by preeclampsia. In clinical practice, when assessing fetal or pregnancy-related issues, the inhibin A test is often conducted alongside other tests, including alpha-fetoprotein (AFT), human chorionic gonadotropin (hCG), and Estriol, to provide a comprehensive evaluation. The blood sample for this test is obtained through venipuncture, which is a separately reportable procedure, and the serum is analyzed using quantitative chemiluminescent immunoassay techniques.
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The inhibin A test (CPT® Code 86336) is indicated for several specific clinical scenarios, particularly in the context of reproductive health and prenatal screening. The following conditions and situations warrant the performance of this test:
The procedure for measuring inhibin A levels involves several key steps that ensure accurate results. The following outlines the procedural steps involved:
After the inhibin A test is performed, there are several considerations for post-procedure care and follow-up. Patients may experience minor discomfort or bruising at the venipuncture site, which typically resolves quickly. It is important for healthcare providers to communicate the results of the test to the patient in a timely manner, especially if abnormal levels are detected. Follow-up testing or additional diagnostic procedures may be necessary based on the results of the inhibin A test, particularly if there are indications of ovarian tumors, congenital abnormalities, or complications such as preeclampsia. Patients should be advised to report any unusual symptoms or concerns following the test, and appropriate referrals to specialists may be warranted based on the findings.
| Short Descr | INHIBIN A | Medium Descr | INHIBIN A | Long Descr | Inhibin A | 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 | 235 - Other Laboratory |
| 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 | GC | This service has been performed in part by a resident under the direction of a teaching physician | GZ | Item or service expected to be denied as not reasonable and necessary |
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| 2002-01-01 | Added | First appearance in code book in 2002. |
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