K50.81 – Crohn's disease of both small and large intestine with complications

ICD-10-CM 2027 diagnosis code · Noninfective enteritis and colitis

Non-billable header

ICD-10-CM code K50.81

Code: K50.81 (claims format: K5081)
Description: Crohn's disease of both small and large intestine with complications
Short description: Crohn's disease of both small and lg int w complications
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K50-K52 Noninfective enteritis and colitis
Parent codes: K50 › K50.8

Billable codes under K50.81

K50.81 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

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

K50 – Crohn's disease [regional enteritis]

Includes:

granulomatous enteritis

Excludes1 (not coded here):

ulcerative colitis (K51.-)

Use additional code:

code to identify any associated fistulas, if applicable:
anal fistula (K60.3-)
anorectal fistula (K60.5-)
rectal fistula (K60.4-)
code to identify manifestations, such as:
pyoderma gangrenosum (L88)

Block K50-K52

Includes:

noninfective inflammatory bowel disease

Excludes1 (not coded here):

irritable bowel syndrome (K58.-)
megacolon (K59.3-)

Related codes in K50.8

K50.80 – Crohn's disease of both small and large intestine without complicationsBillable

Frequently asked questions

What is ICD-10 code K50.81?

K50.81 is the ICD-10-CM code for crohn's disease of both small and large intestine with complications, in the block K50-K52 (Noninfective enteritis and colitis).

Is K50.81 a billable code?

No. K50.81 is a header code with more specific child codes; report one of the billable codes listed above.

What category does K50.81 belong to?

It belongs to category K50 – Crohn's disease [regional enteritis].

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.