| 25 | CPT modifier 25 indicates that on the same day as another procedure or service, the same physician or other qualified health care professional provided a significant, separately identifiable… | - When to apply: Use modifier 25 only on an E/M code to indicate the same provider delivered a significant, separately identifiable E/M service on the same day as another procedure or service — i.e.,… |
| 93 | Modifier 93 denotes that a billed service was delivered synchronously via audio-only telecommunications (real-time telephone or other audio-only system). The AMA added modifier 93 in CPT Appendix A… | - When to use: Apply modifier -93 when a synchronous, real-time, two-way patient–provider encounter is conducted entirely via audio-only (telephone or other real-time interactive audio-only… |
| 99 | Modifier 99 is a placeholder modifier used when more modifiers apply to a single procedure than the claim form or electronic field allows. The AMA classifies it under Provider Services and Ambulatory… | - Use CPT modifier -99 when more modifiers apply to a single procedure line than the claim form or payer field allows (CMS/Noridian: when more than four modifiers are needed); append modifier 99 on… |
| 27 | Modifier 27 indicates a separate, subsequent outpatient hospital E/M service provided to the same patient on the same date by a different provider in a hospital outpatient setting. It is a… | - Use modifier -27 on facility (hospital outpatient/ambulatory service center) claims to report a subsequent, separate, and distinct outpatient E/M service provided to the same patient on the same… |
| 80 | CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for… | - Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT… |