I60.00 (Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation) compared with I60.01 (Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation), from the official CMS tabular data. I60.00 and I60.01 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. I60.00 and I60.01 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.
| I60.00Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation | I60.01Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | I00-I99 — Diseases of the circulatory system | I00-I99 — Diseases of the circulatory system |
| Definition | Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation is a billable ICD-10-CM diagnosis code (I60.00). | Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation is a billable ICD-10-CM diagnosis code (I60.01). |
| Use additional code | code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-) code to identify presence of: alcohol abuse and dependence (F10.-) | code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-) code to identify presence of: alcohol abuse and dependence (F10.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources