K04.5 is the authoritative medical code for Chronic apical periodontitis. This classification is used in medical billing and clinical recording to specify the clinical criteria for chronic apical periodontitis (ICD-10-CM K04.5), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Chronic apical periodontitis is a billable ICD-10-CM diagnosis code K04.5. Inclusion terms: Apical or periapical granuloma; Apical periodontitis NOS. Excludes1 (not coded here): chronic periodontitis K05.3-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for K04.5 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Apical or periapical granuloma
- Apical periodontitis NOS
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- chronic periodontitis K05.3-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with K04.5?
Per Excludes1 instructions, K04.5 must not be reported with: chronic periodontitis (K05.3-).
What conditions are included under K04.5?
Chronic apical periodontitis includes: Apical or periapical granuloma; Apical periodontitis NOS.
Codes in This Family (10)
Official ICD-10-CM classifications in the same code family as K04.5, with their registry titles.
- K04 — Diseases of pulp and periapical tissues
- K04.0 — Pulpitis
- K04.1 — Necrosis of pulp
- K04.2 — Pulp degeneration
- K04.3 — Abnormal hard tissue formation in pulp
- K04.4 — Acute apical periodontitis of pulpal origin
- 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
Indexed Clinical Terms (6)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Granuloma, apical
- Granuloma, dental
- Granuloma, periapical
- Granuloma, pyogenic, pyogenicum (of) (skin), maxillary alveolar ridge
- Infection, infected, infective (opportunistic), periapical
- Periodontitis (chronic) (complex) (compound) (local) (simplex), apical
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code K00.5
Hereditary disturbances in tooth structure, not elsewhere classified