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Home/Diagnosis/ICD-10 Coding for Gastrointestinal Stromal Tumor

ICD-10 Coding for Gastrointestinal Stromal Tumor

C49.A0
C49.A1

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

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

Essential facts and insights about ICD-10 Coding for Gastrointestinal Stromal Tumor

Use ICD-10 code C49.A0 for gastrointestinal stromal tumor of esophagus, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Gastrointestinal stromal tumor of esophagus

Billable Code
C49.A0
Billable

Diagnostic Criteria

  • • Confirmed esophageal location with CD117 positivity

Applicable To

  • • Esophageal GIST

Important Notes

  • • Ensure site-specific confirmation through imaging or biopsy.

Gastrointestinal stromal tumor of stomach

Billable Code
C49.A1
Billable

Diagnostic Criteria

  • • Histological confirmation of GIST
  • • CD117 positivity

Applicable To

  • • Gastric GIST

Important Notes

  • • Document tumor size and mitotic rate for accurate risk assessment.
Ancillary Codes

Additional codes that may be used with this diagnosis

C78.89

Secondary malignant neoplasm of other specified sites

Use for documenting metastasis from primary GIST.

Z51.11

Encounter for antineoplastic chemotherapy

Use when patient is receiving chemotherapy for GIST.

Frequently Asked Questions

What is the ICD-10 code for GIST?

The ICD-10 code for a gastrointestinal stromal tumor (GIST) varies by site, such as C49.A1 for the stomach.

How is GIST documented in medical records?

GIST documentation should include tumor size, site, mitotic rate, and CD117 status for accurate coding.

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