D49.2 vs D49.3
D49.2 (Neoplasm of unspecified behavior of bone, soft tissue, and skin) compared with D49.3 (Neoplasm of unspecified behavior of breast), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. D49.2 carries an Excludes1 note covering D49.3: “neoplasm of unspecified behavior of connective tissue of breast (D49.3)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. D49.3 carries an Excludes1 note covering D49.2: “neoplasm of unspecified behavior of skin of breast (D49.2)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| D49.2Neoplasm of unspecified behavior of bone, soft tissue, and skin | D49.3Neoplasm of unspecified behavior of breast | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Neoplasm of unspecified behavior of bone, soft tissue, and skin is a billable ICD-10-CM diagnosis code (D49.2). | Neoplasm of unspecified behavior of breast is a billable ICD-10-CM diagnosis code (D49.3). |
| Includes | 'growth' NOS neoplasm NOS new growth NOS tumor NOS | 'growth' NOS neoplasm NOS new growth NOS tumor NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources