K05.1
Chronic gingivitis
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
K05.1 is a non-billable ICD-10-CM code header for chronic gingivitis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are K05.10 Chronic gingivitis, plaque induced and K05.11 Chronic gingivitis, non-plaque induced. Its coding notes include a Code first instruction, a Use additional code instruction and 8 Excludes2 entries.
Code first
If the underlying condition listed here is present and known, sequence it first.
This code
- , if applicable, diseases of the digestive system complicating pregnancy (O99.61-)
Use additional code
Add the listed code as a secondary code, if known.
Inherited from K05 Gingivitis and periodontal diseases
- code to identify:
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Inclusion terms
Conditions classified to this code.
This code
- Desquamative gingivitis (chronic)
- Gingivitis (chronic) NOS
- Hyperplastic gingivitis (chronic)
- Pregnancy associated gingivitis
- Simple marginal gingivitis (chronic)
- Ulcerative gingivitis (chronic)