K63.8
Non-Billable

Other specified diseases of intestine

Non-Billable / Non-Specific Code

What is Other specified diseases of intestine?

ICD-10-CM K63.8 is the diagnosis code for Other specified diseases of intestine. This code falls under the section "Other diseases of intestines" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for K63.8

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where K63.8 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeK63.8 — Other specified diseases of intestine
Sub-Codes (3)
Sub-Codes 3 entries
K63.81Dieulafoy lesion of intestineBillableK63.82Intestinal microbial overgrowthNon-BillableK63.821Small intestinal bacterial overgrowthNon-BillableK63.8211Small intestinal bacterial overgrowth, hydrogen-subtypeBillableK63.8212Small intestinal bacterial overgrowth, hydrogen sulfide-subtypeBillableK63.8219Small intestinal bacterial overgrowth, unspecifiedBillableK63.822Small intestinal fungal overgrowthBillableK63.829Intestinal methanogen overgrowth, unspecifiedBillableK63.89Other specified diseases of intestineBillable
Related Codes

Frequently Asked Questions

Is K63.8 a billable ICD-10-CM code?

No, K63.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does K63.8 mean?

K63.8 is the ICD-10-CM diagnosis code for "Other specified diseases of intestine". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of K63.8?

The parent code of K63.8 is K63 ("Other diseases of intestine"). K63.8 provides a more specific classification within this category.

What section is K63.8 in?

K63.8 is located in Section K55-K64 — "Other diseases of intestines" within Chapter 11 of the ICD-10-CM Tabular List.

What are the sub-codes of K63.8?

K63.8 has 3 sub-code(s) that provide more specific detail: K63.81, K63.82, K63.89.

When should I use K63.8?

Use K63.8 when the patients documented diagnosis matches "Other specified diseases of intestine" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other specified diseases of intestine?

The ICD-10-CM code for Other specified diseases of intestine is K63.8.

Can K63.8 be used for primary diagnosis?

No, K63.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is K63.8 in?

K63.8 is in Chapter 11 of the ICD-10-CM Tabular List.

Is K63.8 valid for 2026?

Yes, K63.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousK63.5Polyp of colonNext →K63.81Dieulafoy lesion of intestine
Code Details
K63.8
Other specified diseases of intestine
Non-Billable / Non-Specific Code
11 — Diseases of the digestive system (K00-K95)
K55-K64 — Other diseases of intestines
2026 ICD-10-CM