What Does CPT Code 00190 Mean?CPT code 00190 describes anesthesia services provided for surgical procedures on the facial bones — including the mandible, maxilla, zygoma, orbital bones, and nasal bones. This code is used for facial fracture repair, orthognathic surgery (corrective jaw surgery), mandibular/maxillary reconstruction, and temporomandibular joint (TMJ) procedures. Base units are 6 — the highest among the 00100-series anesthesia codes for the head and neck — reflecting the complexity of airway management in facial surgery where swelling, anatomic distortion, and surgical access create significant challenges.Key Code Attributes:- Billable Status: Fully billable as a standalone anesthesia service- Base Units (CMS 2026): 6- Primary Setting: Hospital operating room (most common), Level 1 trauma center, or ambulatory surgery center (elective orthognathic)- Provider Type: Anesthesiologist (MD/DO), CRNA with physician supervision, or anesthesia assistant under physician direction- Service Category: General anesthesia with nasal or oral endotracheal intubation (nasal intubation is standard for maxillary/mandibular surgery)- Effective Status: Active CPT code with no planned retirement (verified through 2026)- Typical Patient Population: Adults with facial trauma (MVA, assault, sports injuries), young adults undergoing orthognathic surgery, patients with maxillofacial tumors requiring resection---## What Services and Procedures Does CPT Code 00190 Cover?CPT 00190 covers anesthesia for surgical procedures performed on the bones of the face and jaw. Facial bone procedures range from simple closed reductions of nasal fractures to complex multisegment Le Fort osteotomies requiring intermaxillary fixation.Covered Procedures and Surgical Indications:- Closed or open reduction of mandibular fracture (including arch bars and intermaxillary fixation)- Open reduction and internal fixation (ORIF) of facial fractures — mandible, maxilla, zygomaticomaxillary complex (ZMC), orbital floor, Le Fort- Orthognathic surgery — Le Fort I (maxillary osteotomy), bilateral sagittal split osteotomy (BSSO), genioplasty- Mandibular reconstruction following trauma or tumor resection (with bone grafting or free flap)- Maxillectomy (partial or total) for tumor resection- Temporomandibular joint (TMJ) arthroscopy or arthroplasty- TMJ total joint replacement- Facial bone biopsy requiring general anesthesia- Removal of facial hardware (plates, screws, wires)- Craniofacial surgery involving the facial skeleton (Le Fort III, facial bipartition, monobloc)- Distraction osteogenesis of the mandible or midface- Reduction of zygomatic arch fracture (Gillies approach or ORIF)- Orbital floor exploration and reconstruction (with implant or bone graft)- Rhinoplasty with osteotomies (when involving nasal bone — note: soft tissue rhinoplasty coded under 00100)Excluded Procedures:| Excluded Procedure | Correct Code | Rationale ||-------------------|-------------|-----------|| Soft tissue facial procedures (scar revision, laceration repair) | CPT 00100 | Integumentary — no bone involvement || Nasal/sinus procedures (septoplasty, rhinoplasty without osteotomy) | CPT 00160 | Nasal cavity — not facial bone || Dental extractions or oral biopsy | CPT 00170 | Intraoral — not facial bone || Palatal procedures (cleft palate repair) | CPT 00172 | Palate — separate code || Craniotomy or intracranial procedures | CPT 00210 | Cranial vault — not facial bones || Local anesthesia only by surgeon | Not billable | No anesthesia provider |---## When Is CPT Code 00190 the Right Code to Use?Step-by-Step Code Selection Criteria:1. Confirm the surgical site involves facial bones - Verify the procedure involves the mandible, maxilla, zygoma, orbital bones, or nasal bones — not just soft tissue - Review the surgeon’s operative plan to distinguish bone procedures from soft tissue procedures - If the procedure involves both bone and soft tissue, the bone code takes priority2. Check for combined procedures - If the surgeon performs multiple facial bone procedures in one session (e.g., mandible and maxilla), CPT 00190 covers the entire anesthetic — do not bill multiple units - If the procedure includes both facial bones and cranial bones (craniofacial), determine the primary site and use the code with higher base units - If the procedure includes neurosurgical involvement, separate codes may apply3. Verify the airway management approach - Nasal intubation is standard for maxillary and mandibular surgery — the oral cavity is the surgical field - Oral RAE intubation may be used for purely mandibular procedures where intraoral access is not required - Fiberoptic intubation or awake intubation may be necessary in patients with facial trauma, limited mouth opening, or TMJ ankylosis - Document the specific intubation technique and any difficulties encountered4. Document trauma considerations - Facial trauma is often associated with other injuries (C-spine, head trauma, chest trauma) - Document the full trauma assessment, C-spine clearance, and intracranial status - Emergency procedures may qualify for modifier 991405. Consider the need for intermaxillary fixation (IMF) - IMF (wiring jaws together) creates a can’t-intubate, can’t-ventilate situation if the airway is lost postoperatively - Document that wire cutters are available at the bedside - Document the plan for emergence and extubationHow Does CPT 00190 Differ From Related Anesthesia Codes?| Code | Anatomic Area | Base Units | Typical Surgical Examples | Payment Estimate (2026) ||------|---------------|------------|--------------------------|------------------------|| 00100 | Integumentary — head and neck | 3 | Skin biopsy, scar revision, laceration repair | ~$100-110 || 00170 | Intraoral (oral cavity) | 4 | Dental extractions, oral biopsy | ~$135-145 || 00174 | Pharynx | 5 | Tonsillectomy, adenoidectomy | ~$170-180 || 00176 | Larynx/trachea | 5 | Direct laryngoscopy, bronchoscopy | ~$170-180 || 00190 | Facial bones | 6 | Mandibular fracture, Le Fort osteotomy | ~$205-215 || 00210 | Cranium/brain | 7 | Craniotomy, craniectomy | ~$240-250 |---## What Documentation Is Required to Support CPT 00190?What Must the Provider Document?****Preoperative Documentation:- Patient history and physical with detailed airway assessment — facial swelling, limited mouth opening, loose teeth, bleeding risk- ASA classification- Assessment of facial fracture pattern (from CT imaging) — mandible, maxilla, ZMC, orbital, Le Fort classification- Airway assessment — Mallampati score, mouth opening, neck mobility, dentition (loose teeth, dental hardware)- Assessment of associated injuries in trauma patients (C-spine, closed head injury, chest trauma, solid organ injury)- Anesthesia plan — airway management strategy (nasal vs oral intubation, fiberoptic vs direct laryngoscopy)- Discussion of postoperative airway plan — need for ICU admission, airway monitoring- NPO status and timing of injury (trauma patients may be full stomach)Intraoperative Documentation:- Anesthesia start and stop times (continuous face-to-face care)- Vital signs at minimum 5-minute intervals- Type, dose, route, and time of all anesthetic agents- Airway device used and confirmation (nasal RAE ETT size, depth, placement confirmation)- Intubation technique (direct laryngoscopy, video laryngoscopy, fiberoptic, awake)- Ventilation parameters- Fluid management — facial bone surgery can have significant blood loss (especially Le Fort osteotomies)- Estimated blood loss — document in mL- Use of hypotensive anesthesia to reduce bleeding (controlled hypotension)- Local anesthetic infiltration by surgeon (type, dose, epinephrine concentration)- Antibiotic administration (timing and dose)- Complications or adverse events (difficult intubation, bleeding, airway obstruction, dental injury, eye injury)Postoperative Documentation:- PACU admission and discharge times- Pain scores and analgesic administration- Nausea/vomiting assessment and treatment- Airway patency assessment — facial swelling may worsen postoperatively- Presence of intermaxillary fixation (IMF) and wire cutter availability- Aldrete score or equivalent for discharge readiness- ICU admission if indicated (complex facial reconstruction, significant comorbidities)- Discharge instructions for outpatient proceduresBase Unit Assignment and Time Calculation:| Component | Value ||-----------|-------|| Base Units (CMS 2026) | 6 || Time Unit Increment | 15 minutes || Physical Status P3 (severe systemic disease) | +1 unit || Physical Status P4 (severe systemic disease — constant threat to life) | +2 units || Physical Status P5 (moribund patient not expected to survive) | +3 units || Qualifying Circumstances (e.g., 99100 — extreme age under 1) | +1 unit || 99140 — Emergency conditions | May apply in acute facial trauma || 99116 — Controlled hypotension | May apply in extensive orthognathic or reconstructive surgery |---## How Does CPT Code 00190 Affect Medical Billing and Reimbursement?Medicare Anesthesia Payment for CPT 00190:Note: Anesthesia services use a unit-based formula, not RVUs. Medicare payment = (Base Units + Time Units + Modifying Units) x Anesthesia Conversion Factor. The 2026 Medicare anesthesia CF is approximately $21.71 (varies by locality). Commercial payer CFs are typically 2-5x higher.Payer Considerations:- Medicare: Covers facial bone surgery for medically necessary procedures (facial fracture repair, tumor resection, post-traumatic reconstruction). Medicare does not cover purely cosmetic orthognathic surgery. Medical necessity documentation is critical- Commercial Payers: Most cover facial trauma repair and medically necessary orthognathic surgery. Prior authorization is typically required for elective orthognathic procedures. Verify medical necessity criteria — many require documentation of functional impairment (malocclusion, TMJ pain, sleep apnea)- Medicaid: Covers facial fracture repair for eligible patients. Orthognathic surgery coverage varies by state — some require prior authorization and documentation of severe functional impairment- Workers’ Compensation: Covers facial bone surgery for work-related injuries. Documentation should clearly establish the workplace mechanism of injuryCommon Modifiers Used With CPT 00190:| Modifier | Description | Use Case ||----------|-------------|----------|| AA | Anesthesia personally performed | Anesthesiologist performs entire service || QK | Medical direction of 2-4 concurrent procedures | Supervising CRNA || QX | CRNA with medical direction | Directed CRNA || QY | Medical direction of one CRNA | Single CRNA directed || QZ | CRNA without medical direction | Independent practice || P1-P4 | Physical status modifier | ASA classification — P3 common in facial trauma with other injuries || 23 | Unusual anesthesia | Unusual circumstances with significant additional effort || 99100 | Extreme age (under 1 year) | Rare — congenital craniofacial anomalies in infants || 99140 | Emergency conditions | Acute facial trauma with airway compromise || 99116 | Controlled hypotension | May apply in Le Fort osteotomy to reduce bleeding |---## What CPT or HCPCS Codes Are Commonly Billed Alongside CPT 00190?| Associated Code/Service | Description | Billing Guidance ||------------------------|-------------|-----------------|| Surgical code (surgeon) | ORIF mandible (21461-21470), ORIF ZMC (21355-21366), Le Fort (21141-21160), TMJ arthroscopy (21010) | Separate bill by surgeon || Qualifying circumstances (99100-99140) | Extreme age under 1, emergency, controlled hypotension | Append to anesthesia claim || 99140 | Emergency conditions | Acute facial trauma within 24 hours of injury || 99116 | Controlled hypotension | Document deliberate hypotension for blood conservation || 99100 | Anesthesia for patient under 1 year of age | Congenital craniofacial anomalies |NCCI Edits: CPT 00190 does not have significant NCCI bundle conflicts with other anesthesia codes. Qualifying circumstances codes (99100-99140) are add-on codes and are not subject to NCCI edits. Facial bone surgical codes and anesthesia codes are separately billable.---## What Coding Errors Should You Avoid With CPT 00190?**Top Coding Errors Ranked by Frequency:1. Using CPT 00100 (Integumentary) Instead of CPT 00190 for Facial Bone Procedures Facial fracture repair and orthognathic surgery involve bone, not just soft tissue. CPT 00100 (base units 3) is for skin and subcutaneous procedures. CPT 00190 (base units 6) is appropriate when bone is involved. Using the lower code results in significant underpayment — approximately $100-110 per case.2. Billing for Multiple Facial Bone Codes During the Same Session One CPT 00190 covers the entire anesthetic for facial bone surgery, regardless of how many facial bones are operated on. Do not bill CPT 00190 + modifier 51 or 59 — the anesthesia is a single service for a single session.3. Using CPT 00190 for Soft Tissue Rhinoplasty or Nasal Procedures Without Bone Work Cosmetic rhinoplasty (soft tissue only, no osteotomies) is coded under CPT 00100. If osteotomies are performed (nasal bone fracture), CPT 00190 may be appropriate. Review the operative report for documentation of bone manipulation.4. Failing to Document Postoperative Airway Monitoring in Patients With Intermaxillary Fixation Patients with IMF (jaws wired shut) are at risk of airway obstruction if they vomit or develop significant facial swelling. Document that wire cutters are available at the bedside and that the nursing staff is trained to release IMF in an emergency. This documentation is critical for patient safety and medico-legal purposes.5. Inadequate Documentation of Intubation Difficulty Facial trauma and limited mouth opening often create difficult intubation conditions. Document the intubation technique (direct laryngoscopy, video laryngoscopy, fiberoptic), the grade of view, and any difficulties encountered. This documentation supports the complexity of the anesthetic and may justify modifier 23 (unusual anesthesia).---## How Does CPT Code 00190 Relate to Other CPT Codes?| CPT Code | Anatomic Area | Base Units (2026) | Relationship ||----------|---------------|-------------------|--------------|| 00100 | Integumentary — head and neck | 3 | Use for skin/subcutaneous only || 00170 | Intraoral (oral cavity) | 4 | Use for dental/oral procedures without bone || 00174 | Pharynx | 5 | Use for pharyngeal procedures || 00176 | Larynx/trachea | 5 | Use for laryngeal/tracheal procedures || 00190 | Facial bones | 6 | Primary code for facial bone procedures || 00210 | Cranium/brain | 7 | Use for craniotomy, intracranial procedures |---## Real-World Coding Scenario — How CPT 00190 Is Applied in PracticePatient Scenario:**A 24-year-old male (78 kg, ASA P2) is brought to the trauma center after an assault. CT imaging reveals a right mandibular body fracture and a left zygomaticomaxillary complex (ZMC) fracture. The patient has no other injuries, is hemodynamically stable, and has a normal airway examination (mouth opening 4 cm, Mallampati II). He undergoes ORIF of the mandibular body and ORIF of the ZMC fracture. Anesthesia is induced with propofol and the airway is secured with a 7.0 nasal RAE endotracheal tube. Anesthesia is maintained with sevoflurane. Total anesthesia time is 165 minutes. Estimated blood loss is 200 mL.Correct Coding:- CPT 00190 — Anesthesia for procedures on facial bones- Modifiers: AA (personally performed by anesthesiologist) + P2 (mild systemic disease) + 99140 (emergency conditions — acute trauma within 24 hours)- Base Units: 6- Time Units: 165 min / 15 = 11.0, rounded to 11 time units- Physical Status Units: 0 (P2)- Qualifying Circumstances: +1 (99140 — emergency)- Total Units: 6 + 11 + 0 + 1 = 18- Estimated Payment: 18 units x $21.71 (CF) = ~$391****Common Mistake: Using CPT 00100 (integumentary, base units 3) instead of CPT 00190 (facial bones, base units 6). Because the surgical approach involves facial incisions, some coders mistakenly code the anesthesia as integumentary. However, the surgical site is bone (mandible and ZMC), not soft tissue. This coding error would reduce the anesthetic payment from approximately $630 to approximately $385 — a difference of $245 per case.---## Frequently Asked Questions About CPT Code 00190### Does CPT 00190 Cover Both Mandible and Maxilla Procedures in the Same Session?Yes. One CPT 00190 covers anesthesia for procedures involving multiple facial bones during the same surgical session. If the surgeon performs ORIF of the mandible and reconstruction of the maxilla in one operation, CPT 00190 is billed once. Do not bill multiple units or append modifier 51.### What Is the Difference Between CPT 00190 and CPT 00210?CPT 00190 covers anesthesia for facial bone procedures (mandible, maxilla, zygoma, orbital bones), while CPT 00210 covers anesthesia for cranial bone procedures (craniotomy, craniectomy, cranioplasty). CPT 00210 has base units 7 versus 6 for CPT 00190. Craniofacial procedures involving both the cranium and facial skeleton may warrant the higher code if the cranial component is the primary procedure.### How Should Nasal Intubation Be Documented for CPT 00190?Nasal intubation is standard for maxillary and mandibular surgery. Document the tube size (typically 6.0-7.0 nasal RAE for adults), the depth at the nares, and confirmation of placement (ETCO2, auscultation). Note any use of vasoconstrictors (phenylephrine, oxymetazoline) to prepare the nasal passages. Document any epistaxis or difficulty passing the tube through the nasal passages.### Does CPT 00190 Cover Temporomandibular Joint (TMJ) Surgery?Yes. CPT 00190 covers anesthesia for TMJ procedures including arthroscopy, arthroplasty, diskectomy, and total joint replacement. TMJ surgery often presents unique airway challenges because the mandible is the surgical site and may be manipulated intraoperatively, affecting ETT position.### What Qualifying Circumstance Codes Apply to CPT 00190?The most common are 99140 (emergency conditions — acute facial trauma within 24 hours) and 99116 (controlled hypotension for extensive osteotomies). 99100 (extreme age under 1 year) is rare but may apply in congenital craniofacial surgery.### Is CPT 00190 Used for Cleft Lip and Palate Repair?No. Cleft lip repair is coded under CPT 00100 (integumentary, unless bone is involved). Cleft palate repair is coded under CPT 00172 (palate). However, if the child undergoes alveolar bone grafting (secondary bone graft), CPT 00190 may apply for the bone graft component. Review the operative report carefully.---## Key Takeaways for Billing and Coding CPT 00190- Code Scope: Anesthesia for procedures on facial bones (mandible, maxilla, zygoma, orbital bones)- Base Units: 6 (CMS 2026) — highest in the 00100 series for head and neck- Common Procedures: ORIF of facial fractures, orthognathic surgery (Le Fort, BSSO), TMJ surgery, mandibular reconstruction- Do Not Use For: Soft tissue facial procedures, intraoral procedures without bone, nasal/sinus procedures- Airway Management: Nasal intubation is standard — fiberoptic may be needed in trauma- Qualifying Circumstances: Append 99140 for acute trauma, 99116 for controlled hypotension- Single Code Rule: One CPT 00190 per session regardless of number of bones operated on- Payment Range: ~$66-72 Medicare base (varies by units, traum modifier, and geographic adjustment)- Top Error: Using CPT 00100 (integumentary, 3 units) instead of CPT 00190 (facial bones, 6 units) — $245 lost per case- Documentation: Always document IMF status and wire cutter availability for patient safety---## Additional Resources & References- CMS Physician Fee Schedule (PFS): Official base units and payment rates for anesthesia services- ASA Relative Value Guide (RVG): Annual anesthesia base unit reference- CMS Medicare Claims Processing Manual, Chapter 12: Anesthesia billing guidelines- American Association of Oral and Maxillofacial Surgeons (AAOMS): Clinical practice guidelines for orthognathic surgery and facial trauma- American Society of Anesthesiologists Practice Guidelines: Difficult airway management- AO CMF Craniomaxillofacial Surgery: Facial fracture classification and treatment guidelines- AMA CPT Professional Edition (2026): Official code set with anesthesia coding guidelines