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CPT Code 27786: Closed Treatment of Distal Fibular Fracture with Manipulation

CPT (Current Procedural Terminology) code **27786** describes a specific orthopedic procedure. Understanding its definition, appropriate use, documentation requirements, and reimbursement context is essential for accurate medical coding, billing, and clinical communication.

Official CPT Descriptor (AMA)

27786 Closed treatment of distal fibular fracture (lateral malleolus); with manipulation

Code Breakdown

ComponentMeaning
27786Specific code in Musculoskeletal System → Fracture/Dislocation → Leg (Tibia/Fibula) → Distal Fibula
Closed treatmentNon-surgical (no incision); reduction via external manipulation
Distal fibular fractureLateral malleolus fracture (Weber A, B, or C classification applies)
With manipulationClosed reduction performed (restoring alignment)

Related Codes in Family

  • 27784: Closed treatment of distal fibular fracture; without manipulation
  • 27788: Closed treatment of distal fibular fracture; with manipulation, requiring anesthesia (moderate sedation, regional, or general)
  • 27792: Open treatment of distal fibular fracture (ORIF) — surgical fixation
  • 27808-27814: Bimalleolar/trimalleolar fracture codes

Clinical Indications for 27786

  • Displaced distal fibula fracture (lateral malleolus) amenable to closed reduction
  • Stable syndesmosis (Weber A/B typically; Weber C usually unstable → ORIF)
  • Patient medically cleared for procedural sedation/anesthesia
  • No open fracture, neurovascular compromise, or compartment syndrome
  • Reduction achievable and maintainable in cast/splint

Procedure Overview

  1. Anesthesia: Hematoma block, Bier block, procedural sedation, or regional/general (if 27788)
  2. Reduction: Traction + counter-traction; specific maneuver depends on fracture pattern (e.g., supination-external rotation → pronation + medial translation)
  3. Verification: Fluoroscopy (AP, mortise, lateral) confirming anatomic alignment
  4. Immobilization: Long leg cast (knee flexion 15-30°) or short leg cast + stirrup; non-weight-bearing
  5. Post-reduction imaging: Confirm maintenance of reduction

Documentation Requirements (for Medical Necessity & Compliance)

  • Fracture description: Location (distal fibula/lateral malleolus), type (Weber/ AO classification), displacement (mm, angulation), comminution
  • Neurovascular exam pre/post (pulses, sensation, capillary refill, motor)
  • Reduction technique details (anesthesia type, maneuvers, number of attempts)
  • Post-reduction alignment: Residual displacement/angulation, mortise widening, syndesmotic integrity
  • Immobilization method and position
  • Follow-up plan: Imaging schedule, weight-bearing progression, referral if unstable
  • Time spent (if billing critical care/prolonged service separately)

Billing and Reimbursement Context

Global Period

  • 90-day global period (major procedure): Includes preoperative work (day of), procedure, postoperative care (cast changes, X-rays, suture removal, uncomplicated follow-up)
  • Modifier -54 (Surgical care only) if transferring postoperative care
  • Modifier -55 (Postoperative management only) if assuming care after reduction

RVUs (2024 Medicare National Average)

Actual payment varies by geographic adjustment (GPCI), facility vs. non-facility, payer contracts.

Common Modifiers

  • -50: Bilateral (rare for ankle fractures)
  • -51: Multiple procedures (if 27786 not primary)
  • -54/-55/-56: Global period splits
  • -57: Decision for surgery (E/M day of/before major procedure)
  • -76/-77: Repeat procedure (same/other physician)
  • -LT/-RT: Laterality (required by many payers)

Common Coding Errors

  • Using 27786 for bimalleolar/trimalleolar fractures (use 27808-27814)
  • Using 27786 for open treatment (use 27792)
  • Billing 27786 + 27788 together (mutually exclusive; 27788 includes anesthesia)
  • Billing E/M same day without modifier -57 (if decision for surgery) or -25 (if separate identifiable service)
  • Missing laterality modifier

Clinical Decision: Closed vs. Open Treatment

Factors favoring closed reduction (27786/27788):

  • Weber A or stable Weber B
  • Minimal comminution
  • Intact deltoid ligament / syndesmosis
  • Patient high surgical risk
  • Acceptable closed reduction achieved (<2 mm gap, <5° malreduction)

Factors favoring ORIF (27792):

  • Weber C / unstable Weber B
  • Syndesmotic disruption (widening >2 mm, tibiofibular clear space >5 mm)
  • Medial clear space >4 mm (deltoid injury)
  • Failed closed reduction / loss of reduction in cast
  • Open fracture, multiple comorbidities allowing surgery
Coding Disclaimer: CPT codes are proprietary to the American Medical Association. This summary is educational only. Accurate coding requires current CPT codebook, payer-specific guidelines, NCCI edits, and clinical documentation. Consult a certified professional coder (CPC, COC) or coding auditor for specific cases.

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ComponentRVU~Payment (CF $33.29)
Work RVU3.02$100.54
Practice Expense RVU4.12$137.15
Malpractice RVU0.56$18.64
Total RVU7.70$256.33