D37.8 vs D48.5
D37.8 (Neoplasm of uncertain behavior of other specified digestive organs) compared with D48.5 (Neoplasm of uncertain behavior of skin), 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. D37.8 carries an Excludes1 note covering D48.5: “neoplasm of uncertain behavior of anal margin (D48.5)”
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. D37.8 carries an Excludes1 note covering D48.5: “neoplasm of uncertain behavior of anal skin (D48.5)”
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. D37.8 carries an Excludes1 note covering D48.5: “neoplasm of uncertain behavior of perianal skin (D48.5)”
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. D48.5 carries an Excludes1 note covering D37.8: “neoplasm of uncertain behavior of anus NOS (D37.8)”
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
| D37.8Neoplasm of uncertain behavior of other specified digestive organs | D48.5Neoplasm of uncertain behavior of skin | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Neoplasm of uncertain behavior of other specified digestive organs is a billable ICD-10-CM diagnosis code (D37.8). | Neoplasm of uncertain behavior of skin is a billable ICD-10-CM diagnosis code (D48.5). |
| Includes | Neoplasm of uncertain behavior of anal canal Neoplasm of uncertain behavior of anal sphincter Neoplasm of uncertain behavior of anus NOS Neoplasm of uncertain behavior of esophagus | Neoplasm of uncertain behavior of anal margin Neoplasm of uncertain behavior of anal skin Neoplasm of uncertain behavior of perianal skin Neoplasm of uncertain behavior of skin of breast |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources