C49.A
Non-Billable

Gastrointestinal stromal tumor

Non-Billable / Non-Specific Code

What is Gastrointestinal stromal tumor?

ICD-10-CM C49.A is the diagnosis code for Gastrointestinal stromal tumor. This code falls under the section "Malignant neoplasms of mesothelial and soft tissue" within Chapter 2 — Neoplasms (C00-D49). 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 C49.A

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 C49.A sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 7 entries
C49.A0Gastrointestinal stromal tumor, unspecified siteBillableC49.A1Gastrointestinal stromal tumor of esophagusBillableC49.A2Gastrointestinal stromal tumor of stomachBillableC49.A3Gastrointestinal stromal tumor of small intestineBillableC49.A4Gastrointestinal stromal tumor of large intestineBillableC49.A5Gastrointestinal stromal tumor of rectumBillableC49.A9Gastrointestinal stromal tumor of other sitesBillable
Related Codes

Frequently Asked Questions

Is C49.A a billable ICD-10-CM code?

No, C49.A is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does C49.A mean?

C49.A is the ICD-10-CM diagnosis code for "Gastrointestinal stromal tumor". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of C49.A?

The parent code of C49.A is C49 ("Malignant neoplasm of other connective and soft tissue"). C49.A provides a more specific classification within this category.

What section is C49.A in?

C49.A is located in Section C45-C49 — "Malignant neoplasms of mesothelial and soft tissue" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of C49.A?

C49.A has 7 sub-code(s) that provide more specific detail: C49.A0, C49.A1, C49.A2, C49.A3, C49.A4 and more.

When should I use C49.A?

Use C49.A when the patients documented diagnosis matches "Gastrointestinal stromal tumor" 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 Gastrointestinal stromal tumor?

The ICD-10-CM code for Gastrointestinal stromal tumor is C49.A.

Can C49.A be used for primary diagnosis?

No, C49.A is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is C49.A in?

C49.A is in Chapter 2 of the ICD-10-CM Tabular List.

Is C49.A valid for 2026?

Yes, C49.A is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC49.9Malignant neoplasm of connective and soft tissue, unspecifiedNext →C49.A0Gastrointestinal stromal tumor, unspecified site
Code Details
C49.A
Gastrointestinal stromal tumor
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
C45-C49 — Malignant neoplasms of mesothelial and soft tissue
2026 ICD-10-CM