Orthopedic Coding Alert

Reader Questions:

Relax, There's a Dx for Stress Fracture

Question: Encounter notes indicate the patient suffered an ankle stress fracture; should I just use standard fracture ICD-10 codes? Or is there a code set for stress fracture diagnoses?

Arizona Subscriber

Answer: Stress fractures do have their own ICD-10 code set: M84.3- (Stress fracture). For this patient, report one of the following codes, depending on encounter specifics:

  • M84.371- (Stress fracture, right ankle)
  • M84.372- (… left ankle)
  • M84.373- (… unspecified ankle).

Also known as …: According to ICD-10, providers might refer to stress fractures by several other terms, including:

  • Fatigue fracture,
  • March fracture,
  • Stress fracture NOS, or
  • Stress reaction.