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C44.601 vs C44.602

C44.601 (Unspecified malignant neoplasm of skin of unspecified upper limb, including shoulder) compared with C44.602 (Unspecified malignant neoplasm of skin of right upper limb, including shoulder), from the official CMS tabular data. C44.601 and C44.602 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

C44.601
Unspecified
Unspecified malignant neoplasm of skin of unspecified upper limb, including shoulder
C44.602
Right
Unspecified malignant neoplasm of skin of right upper limb, including shoulder

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. C44.601 and C44.602 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

C44.601Unspecified malignant neoplasm of skin of unspecified upper limb, including shoulderC44.602Unspecified malignant neoplasm of skin of right upper limb, including shoulder
Billing statusBillableBillable
ClassificationC00-D49 — Neoplasms (C00-D49)C00-D49 — Neoplasms (C00-D49)
DefinitionUnspecified malignant neoplasm of skin of unspecified upper limb, including shoulder is a billable ICD-10-CM diagnosis code (C44.601).Unspecified malignant neoplasm of skin of right upper limb, including shoulder is a billable ICD-10-CM diagnosis code (C44.602).
Includes
malignant neoplasm of sebaceous glands
malignant neoplasm of sweat glands
malignant neoplasm of sebaceous glands
malignant neoplasm of sweat glands

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources