AutoICD API

K12.0

Billable

Recurrent oral aphthae

Recurrent oral aphthae

Status

Billable / Specific

Block

K00-K14

Parent Code

K12

ICD-11 Mapping

1 equivalent

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Aphthous stomatitis (major) (minor)
  • Bednar's aphthae
  • Periadenitis mucosa necrotica recurrens
  • Recurrent aphthous ulcer
  • Stomatitis herpetiformis

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Use Additional Code

Additional codes that should follow this code

Related Codes(3)
K12.1

Other forms of stomatitis

BillableK12.2

Cellulitis and abscess of mouth

BillableK12.3

Oral mucositis (ulcerative)

ICD-11 Equivalents(1)

ICD-11 Equivalents

View full mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

DA01.10Oral aphthae or aphtha-like ulcerationequivalentPrimary
Also Known As / Clinical Terms(159)

SNOMED CT

UMLS

Clinical Terms

  • Major aphthous ulceration
  • Recurrent mouth ulcer
  • Aphthous stomatitis (major) (minor)
  • Oral aphthae
  • Herpetiform aphthae
  • Major aphthous ulcer
  • Aphthous ulcer
  • Recurring scarring aphthae
  • Traumatic oral ulceration
  • Oral herpetiform aphthous ulceration
  • Complex multigenic autoinflammatory syndrome
  • MAGIC syndrome
  • MjAU - major aphthous ulceration
  • MjAU - major aphthous ulcer
  • recurrent aphthous ulcer
  • Aphthous stomatitis
  • Canker sore
  • Stomatitis herpetiformis
  • Traumatic stomatitis
  • Aphthosis
  • Traumatic ulcer of oral mucosa
  • Buccal aphthous ulcers
  • Recurrent aphthous stomatitis
  • Minor oral aphthous ulceration
  • Recurrent oral ulceration
  • Periodic fever and aphthous stomatitis with pharyngitis and cervical lymphadenitis syndrome
  • Aphthae major (disorder)
  • Recurrent aphthous ulcers
  • recurrent mouth ulcers
  • Bednar's aphthae (disorder)
  • Abrasion of hard palate
  • Bednar aphthae
  • aphthous recurrent ulcers
  • Herpetiform aphthous stomatitis (disorder)
  • Cervical adenitis
  • Mikulicz's aphthae
  • PFAPA syndrome
  • Sutton's aphthae
  • Aphthous ulcer recurrent
  • Recurrent canker sores
  • Aphthous ulcer of mouth
  • Recurrent ulcerative stomatitis
  • Sutton's disease
  • Cervical lymphadenitis
  • Herpetiform aphthous stomatitis
  • Grande aphthose
  • Recurrent ulcer of mouth
  • Sutton's ulcer
  • Mouth and genital ulcers with inflamed cartilage syndrome
  • Aphthous ulceration of skin and/or mucous membrane
  • Aphthae minor
  • MAGIC (mouth and genital ulcers inflamed cartilage) syndrome
  • MIAU - Minor aphthous ulceration
  • Superficial injury of palate
  • Periadenitis Mucosa Necrotica Recurrens
  • recurrent canker sore
  • Aphthae major
  • Abrasion of palate
  • Recurrent aphthous ulcer (disorder)
  • Marshall syndrome with periodic fever
  • Recurrent aphthous stomatitis (disorder)
  • Recurrent aphthous ulceration
  • Bednar's aphthae
  • Traumatic mouth ulcer
  • Aphthous ulceration
Frequently Asked Questions
What is the ICD-10 code for recurrent oral aphthae?

The ICD-10-CM code for recurrent oral aphthae is K12.0. The full clinical description is "Recurrent oral aphthae". K12.0 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code K12.0 mean?

ICD-10-CM code K12.0 represents “Recurrent oral aphthae”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.

Is K12.0 a billable code?

Yes, K12.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is K12.0 in?

K12.0 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).

What codes cannot be used with K12.0?

K12.0 has Excludes1 notes indicating codes that cannot be used together with it, including: cancrum oris (A69.0); cheilitis (K13.0); gangrenous stomatitis (A69.0); and 2 more.

Are additional codes required with K12.0?

Yes, when using K12.0, also report: ; 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).

What SNOMED CT codes does K12.0 map to?

K12.0 maps to 18 SNOMED CT concepts: 110159004, 262631007, 398676009, 307772002, 427617000, and 13 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for K12.0?

K12.0 is linked to 5 UMLS Concept Unique Identifiers: C0086789, C2887628, C2937365, C1290775, C0585635. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does K12.0 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like recurrent oral aphthae affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of K12.0?

K12.0 maps to the ICD-11 code: DA01.10 (Oral aphthae or aphtha-like ulceration).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.