| 53 | Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s… | - Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues… |
| 66 | Modifier 66 (Surgical Team) is used when three or more surgeons act as primary surgeons on a single, highly complex procedure. The AMA defines it for use when a surgical team — often composed of… | - Use modifier 66 when three or more surgeons act as primary surgeons working collaboratively as a surgical team on a single, highly complex or difficult procedure (for example organ… |
| 62 | Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any… | - Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to… |
| P5 | Modifier P5 denotes a moribund patient who is not expected to survive without the operative procedure and is used only with anesthesia CPT codes 00100–01999. The anesthesia provider must append P5… | - Use modifier P5 only when the anesthesia provider determines the patient is moribund and not expected to survive without the operation, and append it only to anesthesia CPT codes 00100–01999… |
| 8P | Modifier 8P—Performance Measure Reporting Modifier – Action Not Performed, Reason Not Otherwise Specified— is appended only to CPT Category II quality-reporting codes to indicate that the specified… | - Use modifier -8P only with CPT Category II codes when the quality-measure action was not performed for an eligible patient and there is no documented reason in the medical record for omitting the… |