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M86.9 - Osteomyelitis, unspecified


The ICD 10 Code for Osteomyelitis, unspecified is listed as M86.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: M86.9
Description: Osteomyelitis, unspecified
  • Infection of bone NOS
  • Periostitis without osteomyelitis
Diagnostic Related Groups
(MS-DRG v30.0)
485 - Knee Procedures W Pdx Of Infection W Mcc
486 - Knee Procedures W Pdx Of Infection W Cc
487 - Knee Procedures W Pdx Of Infection W/o Cc/mcc
488 - Knee Procedures W/o Pdx Of Infection W Cc/mcc
489 - Knee Procedures W/o Pdx Of Infection W/o Cc/mcc
539 - Osteomyelitis W Mcc
540 - Osteomyelitis W Cc
541 - Osteomyelitis W/o Cc/mcc
Chapter Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block Other osteopathies (M86-M90)
Parent M86 - Osteomyelitis
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 730.20 - Unspecified osteomyelitis, site unspecified (approximate)
ICD 9 Dx Code: 730.30 - Periostitis, without mention of osteomyelitis, site unspecified (approximate)
ICD 9 Dx Code: 730.90 - Unspecified infection of bone, site unspecified (approximate)
ICD 9 Dx Code: 730.98 - Unspecified infection of bone, other specified sites (approximate)
ICD-10-CM Siblings (same level / similar specificity) of M86.9:
M86.0 - Acute hematogenous osteomyelitis
M86.1 - Other acute osteomyelitis
M86.2 - Subacute osteomyelitis
M86.3 - Chronic multifocal osteomyelitis
M86.4 - Chronic osteomyelitis with draining sinus
M86.5 - Other chronic hematogenous osteomyelitis
M86.6 - Other chronic osteomyelitis
M86.8 - Other osteomyelitis