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M86.321BillableSave

M86.321 - Chronic multifocal osteomyelitis, right humerus

ICD-10-CM Chapter 13: Diseases of the musculoskeletal system and connective tissue · M86-M90 Other osteopathies (M86-M90) · Subcategory of M86.32 · FY2027

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom M86

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

  • osteomyelitis due to:
  • echinococcus (B67.2)
  • gonococcus (A54.43)
  • salmonella (A02.24)
Excludes 2 — Not Included HereFrom M86

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

  • ostemyelitis of:
  • orbit (H05.0-)
  • petrous bone (H70.2-)
  • vertebra (M46.2-)
Use Additional CodeFrom M86

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

  • code (B95-B97) to identify infectious agent
  • code to identify major osseous defect, if applicable (M89.7-)
Excludes 1 — Not Coded HereFrom M86-M90 Other osteopathies (M86-M90)

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

  • postprocedural osteopathies (M96.-)
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 M86.321.