C49.3
Billable

Malignant neoplasm of connective and soft tissue of thorax

Billable / Specific Code

What is Malignant neoplasm of connective and soft tissue of thorax?

ICD-10-CM C49.3 is the diagnosis code for Malignant neoplasm of connective and soft tissue of thorax. This code falls under the section "Malignant neoplasms of mesothelial and soft tissue" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for C49.3

✅ This Code Includes

  • Malignant neoplasm of axilla
  • Malignant neoplasm of diaphragm
  • Malignant neoplasm of great vessels

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as C49.3. They are mutually exclusive:

  • malignant neoplasm of breast (C50.-)
  • malignant neoplasm of heart (C38.0)
  • malignant neoplasm of mediastinum (C38.1-C38.3)
  • malignant neoplasm of thymus (C37)

ICD-10-CM Code Hierarchy

Understanding where C49.3 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeC49.3 — Malignant neoplasm of connective and soft tissue of thorax
Related Codes

Frequently Asked Questions

Is C49.3 a billable ICD-10-CM code?

Yes, C49.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does C49.3 mean?

C49.3 is the ICD-10-CM diagnosis code for "Malignant neoplasm of connective and soft tissue of thorax". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of C49.3?

The parent code of C49.3 is C49 ("Malignant neoplasm of other connective and soft tissue"). C49.3 provides a more specific classification within this category.

What section is C49.3 in?

C49.3 is located in Section C45-C49 — "Malignant neoplasms of mesothelial and soft tissue" within Chapter 2 of the ICD-10-CM Tabular List.

When should I use C49.3?

Use C49.3 when the patients documented diagnosis matches "Malignant neoplasm of connective and soft tissue of thorax" 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 Malignant neoplasm of connective and soft tissue of thorax?

The ICD-10-CM code for Malignant neoplasm of connective and soft tissue of thorax is C49.3.

Can C49.3 be used for primary diagnosis?

Yes, C49.3 can be used as a primary diagnosis code since it is billable and specific.

What chapter is C49.3 in?

C49.3 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from C49.3?

Type 1 Excludes for C49.3 include: malignant neoplasm of breast (C50.-); malignant neoplasm of heart (C38.0); malignant neoplasm of mediastinum (C38.1-C38.3) and more.

Is C49.3 valid for 2026?

Yes, C49.3 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC49.22Malignant neoplasm of connective and soft tissue of left lower limb, including hipNext →C49.4Malignant neoplasm of connective and soft tissue of abdomen
Code Details
C49.3
Malignant neoplasm of connective and soft tissue of thorax
Billable / Specific Code
2 — Neoplasms (C00-D49)
C45-C49 — Malignant neoplasms of mesothelial and soft tissue
2026 ICD-10-CM