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M84.363KBillableSave

M84.363K - Stress fracture, right fibula, subsequent encounter for fracture with nonunion

ICD-10-CM Chapter 13: Diseases of the musculoskeletal system and connective tissue · M80-M85 Disorders of bone density and structure (M80-M85) · Subcategory of M84.363 · FY2027

7th character K: subsequent encounter for fracture with nonunion

Coding Guidance

7th character K: subsequent encounter for fracture with nonunion.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom M84.3

Mutually exclusive: these conditions are never reported together with this code.

  • pathological fracture NOS (M84.4.-)
  • pathological fracture due to osteoporosis (M80.-)
  • traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)
Excludes 2 — Not Included HereFrom M84.3

Not part of this code; report both codes when the patient has both conditions.

  • personal history of (healed) stress (fatigue) fracture (Z87.312)
  • stress fracture of vertebra (M48.4-)
Use Additional CodeFrom M84.3

Add a secondary code to identify the associated condition or cause when it is documented.

  • external cause code(s) to identify the cause of the stress fracture
Excludes 2 — Not Included HereFrom M84

Not part of this code; report both codes when the patient has both conditions.

  • traumatic fracture of bone-see fracture, by site
Excludes 2 — Not Included HereFrom Chapter M00-M99

Not part of this code; report both codes when the patient has both conditions.

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
NotesFrom Chapter M00-M99

Instructional notes from the ICD-10-CM tabular list.

  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with M84.363K.