ICD-10-CM › M00-M99 › M86-M90 › M86.4 Chronic osteomyelitis with draining sinus › M86.46

M86.46

Chronic osteomyelitis with draining sinus, tibia and fibula

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • M86.461 Chronic osteomyelitis with draining sinus, right tibia and fibula
  • M86.462 Chronic osteomyelitis with draining sinus, left tibia and fibula
  • M86.469 Chronic osteomyelitis with draining sinus, unspecified tibia and fibula

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Chronic osteomyelitis with draining sinus, tibia and fibula

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from M86 Osteomyelitis

Excludes1 - never coded here

  • osteomyelitis due to:
  • echinococcus (B67.2)
  • gonococcus (A54.43)
  • salmonella (A02.24)

Excludes2 - not included here

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

Use additional code

  • code (B95-B97) to identify infectious agent
  • code to identify major osseous defect, if applicable (M89.7-)

Inherited from the M86-M90 section Other osteopathies (M86-M90)

Excludes1 - never coded here

  • postprocedural osteopathies (M96.-)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
M86.40 Chronic osteomyelitis with draining sinus, unspecified site Valid
M86.41 Chronic osteomyelitis with draining sinus, shoulder Not billable
M86.42 Chronic osteomyelitis with draining sinus, humerus Not billable
M86.43 Chronic osteomyelitis with draining sinus, radius and ulna Not billable
M86.44 Chronic osteomyelitis with draining sinus, hand Not billable
M86.45 Chronic osteomyelitis with draining sinus, femur Not billable
M86.47 Chronic osteomyelitis with draining sinus, ankle and foot Not billable
M86.48 Chronic osteomyelitis with draining sinus, other site Valid
M86.49 Chronic osteomyelitis with draining sinus, multiple sites Valid