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K04.4 - Acute apical periodontitis of pulpal origin


The ICD 10 Code for Acute apical periodontitis of pulpal origin is listed as K04.4.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K04.4
Description: Acute apical periodontitis of pulpal origin
  • Acute apical periodontitis NOS
  • Excludes1: acute periodontitis (K05.2-)
Diagnostic Related Groups
(MS-DRG v30.0)
011 - Tracheostomy For Face,mouth & Neck Diagnoses W Mcc
012 - Tracheostomy For Face,mouth & Neck Diagnoses W Cc
013 - Tracheostomy For Face,mouth & Neck Diagnoses W/o Cc/mcc
157 - Dental & Oral Diseases W Mcc
158 - Dental & Oral Diseases W Cc
159 - Dental & Oral Diseases W/o Cc/mcc
Chapter Diseases of the digestive system (K00-K95)
Block Diseases of oral cavity and salivary glands (K00-K14)
Parent K04 - Diseases of pulp and periapical tissues
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 522.4 - Acute apical periodontitis of pulpal origin
ICD-10-CM Siblings (same level / similar specificity) of K04.4:
K04.0 - Pulpitis
K04.1 - Necrosis of pulp
K04.2 - Pulp degeneration
K04.3 - Abnormal hard tissue formation in pulp
K04.5 - Chronic apical periodontitis
K04.6 - Periapical abscess with sinus
K04.7 - Periapical abscess without sinus
K04.8 - Radicular cyst
K04.9 - Other and unspecified diseases of pulp and periapical tissues