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D36.12 vs D48.2

D36.12 (Benign neoplasm of peripheral nerves and autonomic nervous system, upper limb, including shoulder) compared with D48.2 (Neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system), from the official CMS tabular data. D36.12 and D48.2 name the same anatomical site (brachial plexus) with a different neoplasm behavior.

Relationship

Informational

Neoplasm table relationship

D36.12
Benign neoplasm of peripheral nerves and autonomic nervous system, upper limb, including shoulder
↔
D48.2
Neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system

Same anatomical site, different neoplasm behavior.

Same site — uncertain behavior (brachial plexus)

The behavior documented for the site — malignant primary, secondary, carcinoma in situ, benign, uncertain or unspecified — decides which column of the neoplasm table, and therefore which code, applies.

Source: CMS Table of Neoplasms

Can these codes be reported together?

Same site, different neoplasm behavior. D36.12 and D48.2 name the same anatomical site (brachial plexus) with a different neoplasm behavior.

From the CMS Table of Neoplasms: the behavior documented for that site — malignant primary, secondary, carcinoma in situ, benign, uncertain or unspecified — decides which column, and therefore which code, applies.

Side by side

D36.12Benign neoplasm of peripheral nerves and autonomic nervous system, upper limb, including shoulderD48.2Neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system
Billing statusBillableBillable
ClassificationC00-D49 — Neoplasms (C00-D49)C00-D49 — Neoplasms (C00-D49)
DefinitionBenign neoplasm of peripheral nerves and autonomic nervous system, upper limb, including shoulder is a billable ICD-10-CM diagnosis code (D36.12).Neoplasm of uncertain behavior of peripheral nerves and autonomic nervous system is a billable ICD-10-CM diagnosis code (D48.2).
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources