2025 ICD-10-CM Diagnosis Code K12.1 - Other forms of stomatitis (K12.1)

2016201720182019202020212022202320242025Billable/Specific Code

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

Applicable To

Type 1 Excludes

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
2023 (effective 10/1/2022): No change
2024 (effective 10/1/2023): No change
2025 (effective 10/1/2024): 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

2025 ICD-10-CM Diagnosis Code K12.1 – Other forms of stomatitis (K12.1)