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ICD-10/K05.31

K05.31 ICD-10-CM Code: Chronic periodontitis, localized

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Chronic periodontitis, localized is a non-billable ICD-10-CM category code (K05.31). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for K05.31 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • Use additional code to identify:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Change history

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Contextual Map

Every relationship of K05.31 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • K00-K95 — Chapter 11: Diseases of the Digestive System (K00-K95) (K00-K95) [Hierarchy]

Referenced by Excludes1 notes

  • K04.5 — Chronic apical periodontitis [Excludes1](via K05.3.-): “chronic periodontitis (K05.3-)” · check together

Referenced by Excludes2 notes

  • K13 — Other diseases of lip and oral mucosa [Excludes2](via K05.-): “certain disorders of gingiva and edentulous alveolar ridge (K05-K06)” · check together

Clinical classification (CCSR)

  • DIG002 — Disorders of teeth and gingiva [CCSR]
  • DEN001 — Any dental condition including traumatic injury [CCSR]
  • DEN002 — Nontraumatic dental conditions [CCSR]
  • DEN003 — Caries, periodontitis, and other preventable dental conditions [CCSR]

Nearest codes (33)

  • K05 — Gingivitis and periodontal diseases [Sibling]
  • K05.0 — Acute gingivitis [Sibling]
  • K05.00 — Acute gingivitis, plaque induced [Sibling]
  • K05.01 — Acute gingivitis, non-plaque induced [Sibling]
  • K05.1 — Chronic gingivitis [Sibling]
  • K05.10 — Chronic gingivitis, plaque induced [Sibling]
  • K05.11 — Chronic gingivitis, non-plaque induced [Sibling]
  • K05.2 — Aggressive periodontitis [Sibling]
  • and 25 more

Change history

  • FY2017 — Became a non-billable header [Change history]

Referenced by Other Codes

Clinical classification (AHRQ CCSR):DIG002 — Disorders of teeth and gingiva (default); DEN001 — Any dental condition including traumatic injury; DEN002 — Nontraumatic dental conditions; DEN003 — Caries, periodontitis, and other preventable dental conditions.

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Official ICD-10-CM tabular notes on other codes that name K05.31 or its code family.

1 Excludes1 notes: K04.5 (via K05.3.-).

1 Excludes2 notes: K13 (via K05.-).

Frequently Asked Questions (FAQ) & Clinical Guidance

Can K05.31 be billed directly?

No. K05.31 (Chronic periodontitis, localized) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to K05.31 in its code family, with their registry titles.

  • K05.222 — Aggressive periodontitis, generalized, moderate
  • K05.223 — Aggressive periodontitis, generalized, severe
  • K05.229 — Aggressive periodontitis, generalized, unspecified severity
  • K05.3 — Chronic periodontitis
  • K05.30 — Chronic periodontitis, unspecified
  • K05.311 — Chronic periodontitis, localized, slight
  • K05.312 — Chronic periodontitis, localized, moderate
  • K05.313 — Chronic periodontitis, localized, severe
  • K05.319 — Chronic periodontitis, localized, unspecified severity
  • K05.32 — Chronic periodontitis, generalized

View all codes in the K05 family