ICD-10-CM › K00-K95 › K00-K14 › K04 Diseases of pulp and periapical tissues › K04.1
K04.1
Necrosis of pulp
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 Necrosis of pulp
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.
- Naga sore
- Phagedena
- Sloughing
- Sphacelus
- Veldt sore
- Sore > Naga
- Sore > veldt
- Desert > sore
- Mortification
- Sore > desert
- Pericellulitis
- Sore > of skin
- Sore > tropical
- Meleney's > ulcer
- Sloughing > ulcer
- Necrosis, necrotic
- Meleney's > gangrene
- Phagedena > tropical
- Barcoo disease or rot
- Pemphigus > gangrenous
- Cellulitis > gangrenous
- Dropsy, dropsical > gangrenous
- Gangrene, gangrenous > Meleney's
- Lesion > ulcerated or ulcerative
- Infection, infected, infective > skin > ulcer
- Gangrene, gangrenous > progressive synergistic
- Infection, infected, infective > local, skin > ulcer
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > chronic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > trophic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > atrophic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > tropical
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > fistulous
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > Meleney's
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > sloughing
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > gangrenous
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > phagedenic
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > neurogenic NEC
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > unspecified site
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > nose, nasal > skin
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative > perforating > skin
Showing 40 of 48 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K04.0 | Pulpitis | Not billable |
| K04.2 | Pulp degeneration | Valid |
| K04.3 | Abnormal hard tissue formation in pulp | Valid |
| K04.4 | Acute apical periodontitis of pulpal origin | 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 |