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| Short Descr | CYP1A2 GENE | Medium Descr | CYP1A2 GENE ANALYSIS COMMON VARIANTS | Long Descr | CYP1A2 (cytochrome P450 family 1, subfamily A, member 2) (eg, drug metabolism) gene analysis, common variants (ie, *1F, *1K, *6, *7) | CLIA Waived (QW) | No | APC Status Indicator | Service Paid under Fee Schedule or Payment System other than OPPS | Berenson-Eggers TOS (BETOS) | none | MUE | 1 |
| 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. | XS | Separate structure, a service that is distinct because it was performed on a separate organ/structure | CC | Procedure code change (use 'cc' when the procedure code submitted was changed either for administrative reasons or because an incorrect code was filed) |
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| 2022-01-01 | Note | Grammar correction |
| 2020-01-01 | Changed | Code description changed. |
| 2019-01-01 | Added | First appearance in code book. |
| 2019-01-01 | Changed | Code description changed. |
| 2018-01-01 | Added | Code Added. |
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