K92.81 – Gastrointestinal mucositis (ulcerative)

ICD-10-CM 2027 diagnosis code · Other diseases of the digestive system

Billable code

ICD-10-CM code K92.81

Code: K92.81 (claims format: K9281)
Description: Gastrointestinal mucositis (ulcerative)
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K90-K95 Other diseases of the digestive system
Parent codes: K92 › K92.8

Notes for K92.81

Excludes2 (not included here):

mucositis (ulcerative) of vagina and vulva (N76.81)
nasal mucositis (ulcerative) (J34.81)
oral mucositis (ulcerative) (K12.3-)

Code also:

type of associated therapy, such as:
antineoplastic and immunosuppressive drugs (T45.1X-)
radiological procedure and radiotherapy (Y84.2)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

K92 – Other diseases of digestive system

Excludes1 (not coded here):

neonatal gastrointestinal hemorrhage (P54.0-P54.3)

Index terms for K92.81

Entries in the ICD-10-CM alphabetic index that lead to this code:

Mucositis, gastrointestinal

Related codes in K92.8

K92.89 – Other specified diseases of the digestive systemBillable

Frequently asked questions

What is ICD-10 code K92.81?

K92.81 is the ICD-10-CM code for gastrointestinal mucositis (ulcerative), in the block K90-K95 (Other diseases of the digestive system).

Is K92.81 a billable code?

Yes. K92.81 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K92.81 belong to?

It belongs to category K92 – Other diseases of digestive system.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.