ICD-10-CM › K00-K95 › K00-K14 › K04 Diseases of pulp and periapical tissues › K04.4
K04.4
Acute apical periodontitis of pulpal origin
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 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.
- FY2007 Added to the draft code set draft Acute apical periodontitis of pulpal origin
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.
- Operculitis
- Parodontitis
- Pericoronitis
- Pericementitis
- Riggs' disease
- Cementoperiostitis
- Fauchard's disease
- Gingivopericementitis
- Gingivitis > expulsiva
- Disease, diseased > Riggs'
- Disease, diseased > Fauchard's
- Septic > teeth, tooth
- Periodontitis > apical > acute
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K04.0 | Pulpitis | Not billable |
| K04.1 | Necrosis of pulp | Valid |
| K04.2 | Pulp degeneration | Valid |
| K04.3 | Abnormal hard tissue formation in pulp | Valid |
| K04.5 | Chronic apical periodontitis | Valid |
| K04.6 | Periapical abscess with sinus | Valid |
| K04.7 | Periapical abscess without sinus | Valid |
| K04.8 | Radicular cyst | Valid |
| K04.9 | Other and unspecified diseases of pulp and periapical tissues | Not billable |