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The CPT® Code 84206 refers to a laboratory test that measures the levels of proinsulin in the blood. Proinsulin is a precursor hormone to insulin, which is produced by the beta cells located in the pancreas, specifically within the islets of Langerhans. This test is significant as it provides insights into the body's insulin production and can help in assessing various metabolic conditions. To perform this test, a blood sample is collected through a procedure known as venipuncture, which is a separate reportable service. The serum obtained from the blood sample is then analyzed using a qualitative enzyme-linked immunosorbent assay (ELISA), a common laboratory technique used to detect and quantify proteins, hormones, and other substances in biological samples. The measurement of proinsulin levels is particularly relevant in the context of pre-diabetes and the progression toward type 2 diabetes mellitus, as elevated levels may indicate an impaired insulin response. Additionally, high proinsulin levels can be associated with several medical conditions, including benign or malignant B-cell tumors of the pancreas, renal failure, cirrhosis, and hyperthyroidism, making this test a valuable tool in the diagnostic process for various endocrine and metabolic disorders.
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The proinsulin test (CPT® Code 84206) is indicated for several clinical scenarios, particularly in the assessment of metabolic and endocrine disorders. The following conditions may warrant the performance of this test:
The procedure for obtaining a proinsulin test involves several key steps that ensure accurate measurement of proinsulin levels in the blood. The following outlines the procedural steps:
After the proinsulin test is performed, there are generally no specific post-procedure care requirements for the patient. However, it is common for patients to be advised to maintain hydration and to monitor the venipuncture site for any signs of bruising or discomfort. The results of the test will be reviewed by the physician, who will discuss the implications of the findings with the patient and determine any necessary follow-up actions or additional testing based on the results. It is important for patients to understand that elevated proinsulin levels may require further investigation to identify underlying conditions or to adjust treatment plans accordingly.
| Short Descr | ASSAY OF PROINSULIN | Medium Descr | ASSAY OF PROINSULIN | Long Descr | Proinsulin | 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. | 91 | Repeat clinical diagnostic laboratory test: in the course of treatment of the patient, it may be necessary to repeat the same laboratory test on the same day to obtain subsequent (multiple) test results. under these circumstances, the laboratory test performed can be identified by its usual procedure number and the addition of modifier 91. note: this modifier may not be used when tests are rerun to confirm initial results; due to testing problems with specimens or equipment; or for any other reason when a normal, one-time, reportable result is all that is required. this modifier may not be used when other code(s) describe a series of test results (eg, glucose tolerance tests, evocative/suppression testing). this modifier may only be used for laboratory test(s) performed more than once on the same day on the same patient. | 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 | GZ | Item or service expected to be denied as not reasonable and necessary |
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| 2013-01-01 | Changed | Medium Descriptor changed. |
| Pre-1990 | Added | Code added. |
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