G83.33 (Monoplegia, unspecified affecting right nondominant side) compared with G83.34 (Monoplegia, unspecified affecting left nondominant side), from the official CMS tabular data. G83.33 and G83.34 code the same condition on opposite sides.
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)
Same condition, opposite side. G83.33 and G83.34 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.
| G83.33Monoplegia, unspecified affecting right nondominant side | G83.34Monoplegia, unspecified affecting left nondominant side | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | G00-G99 — Diseases of the Nervous System (G00-G99) |
| Definition | Monoplegia, unspecified affecting right nondominant side is a billable ICD-10-CM diagnosis code (G83.33). | Monoplegia, unspecified affecting left nondominant side is a billable ICD-10-CM diagnosis code (G83.34). |
| Includes | paralysis (complete) (incomplete), except as in G80-G82 | paralysis (complete) (incomplete), except as in G80-G82 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources