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Periodontal abscess F088

Last amended 
30 June 2015
Current RMA Instruments:
Reasonable Hypothesis SOP
49 of 2013
Balance of Probabilities SOP
50 of 2013
Changes from Previous Instruments:

SOP Bulletin 166

ICD Coding:
  • ICD-9-CM Codes: 523.3
  • ICD-10-AM Codes: K05.2

This is an abscess (collection of pus) of the periodontium, which is the ligament which attaches the teeth to the bony sockets. The periodontium is normally covered by the overlying gingiva (gums). This can lead to the loosening and then the loss of teeth.

This definition excludes gingival abscess, pericoronal abscess, periapical abscess, apical periodontitis and combined periodontic-endodontic lesions.

Is specific diagnostic evidence required to apply the SOP? – No.

The relevant medical specialist is a dentist or oral surgeon.

Are there sub-factors that require specific information? – No.
Additional diagnoses covered by SOP
  • Acute periodontitis (if in the form of an abscess)
Conditions not covered by SOP
  • Acute apical periodontitis, ICD-9-CM code 522.4
  • Acute pericoronitis, ICD code 523.9
  • Chronic apical periodontitis, ICD-9-CM code 522.6
  • Gingivitis (acute or chronic), ICD-9-CM codes 523.0-1, 101
  • Chronic pericoronitis, ICD code 523.9
  • Chronic periodontitis, ICD code 523.4
  • Gingival abscess, ICD code 523.0
  • Maxillary and mandibular ostenecrosis
  • Necrotising gingivitis confined to the gums, ICD-9-CM code 101
  • Periapical abscess, ICD code 522.5
  • Pericoronal abscess, use ICD code 523.9
Unconfirmed diagnosis

If, after applying the above information, you are unable to confirm the diagnosis, you should then:

  1. seek medical officer advice about further investigation, or;
  2. generate a diagnostic report, or;
  3. re-encode the condition, if appropriate.

The following investigations may be useful in establishing the diagnosis.

  • Report from a dentist.