ICD-10 Code
International Classification of Diseases, 10th Revision
Mar 21, 2019

See: Aggressive periodontitis

K05.21 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
Aggressive periodontitis, localized
Inclusion Term
  • Periodontal abscess

More specific codes for Aggressive periodontitis, localized

  • K05.211 - Aggressive periodontitis, localized, slight
  • K05.212 - Aggressive periodontitis, localized, moderate
  • K05.213 - Aggressive periodontitis, localized, severe
  • K05.219 - Aggressive periodontitis, localized, unspecified severity
See also ICD 10 code for
See the ICD-10-CM Coding Guidelines.

Questions related to K05.21 Aggressive periodontitis, localized

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.