M43.6 vs R29.891
M43.6 (Torticollis) compared with R29.891 (Ocular torticollis), 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. M43.6 carries an Excludes1 note covering R29.891: “ocular torticollis (R29.891)”
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
| M43.6Torticollis | R29.891Ocular torticollis | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Torticollis is a billable ICD-10-CM diagnosis code (M43.6). | Ocular torticollis is a billable ICD-10-CM diagnosis code (R29.891). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources