- K12.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM K12.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of K12.1 – other international versions of ICD-10 K12.1 may differ.
ICD-10-CM K12.1 is grouped within Diagnostic Related Group(s):
- 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
- 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
- 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
- 157 Dental and oral diseases with mcc
- 158 Dental and oral diseases with cc
- 159 Dental and oral diseases without cc/mcc
Applicable To
- Stomatitis NOS
- Denture stomatitis
- Ulcerative stomatitis
- Vesicular stomatitis
Type 1 Excludes
- acute necrotizing ulcerative stomatitis (A69.1)
- Vincent’s stomatitis (A69.1)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to K12.1:
- mouth > Catarrh, catarrhal (acute) (febrile) (infectious) (inflammation) J00
- mouth > Inflammation, inflamed, inflammatory (with exudation)
- catarrhal > Stomatitis (denture) (ulcerative) K12.1
- follicular > Stomatitis (denture) (ulcerative) K12.1
- malignant > Stomatitis (denture) (ulcerative) K12.1
- membranous acute > Stomatitis (denture) (ulcerative) K12.1
- septic > Stomatitis (denture) (ulcerative) K12.1
- vesicular > Stomatitis (denture) (ulcerative) K12.1
- buccal (cavity) (traumatic) > Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- oral mucosa (traumatic) > Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- palate (soft) > Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- stomatitis > Ulcer, ulcerated, ulcerating, ulceration, ulcerative