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Home/Diagnosis/ICD-10 Coding for GIST Tumor

ICD-10 Coding for GIST Tumor

C49.A0
C49.A2

Complete ICD-10-CM coding and documentation guide for icd-10 coding for gist tumor includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Gastrointestinal Stromal Tumor
GIST
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Key Information: ICD-10 Coding for GIST Tumor

Essential facts and insights about ICD-10 Coding for GIST Tumor

Use ICD-10 code C49.A0 for gist, unspecified site, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

GIST, unspecified site

Billable Code
C49.A0
Billable

Diagnostic Criteria

  • • Confirmed GIST diagnosis without specific site identification

Applicable To

  • • GIST not otherwise specified

Important Notes

  • • Ensure thorough documentation of diagnostic efforts to determine the site.

GIST, stomach

Billable Code
C49.A2
Billable

Diagnostic Criteria

  • • Use when the GIST is confirmed to originate from the stomach.

Applicable To

  • • GIST of the stomach

Important Notes

  • • Ensure documentation includes specific gastric location and histological confirmation.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z17.1

Genetic susceptibility to malignant neoplasm

Use to indicate specific genetic mutations like KIT or PDGFRA.

Frequently Asked Questions

What is the ICD-10 code for a GIST tumor?

The ICD-10 code for a GIST tumor depends on the site: C49.A0 for unspecified site, C49.A2 for stomach.

How do you code a GIST tumor in the stomach?

Code C49.A2 is used for GIST tumors located in the stomach, confirmed by endoscopic biopsy.

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