W49.02 — String or thread causing external constriction
Is W49.02 billable?
No — W49.02 is a non-billable header code. W49.02 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath W49.02.
W49.02 at a glance
| Code | W49.02 |
|---|---|
| Description | String or thread causing external constriction |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is W49.02 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to W49.02 — how the injury happened, rather than what the injury was.
- Constriction › string (external)
- Constriction › thread (external)
Excludes1 — never code together — inherited from W20-W49
The conditions below can never be reported together with W49.02 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes1 — never code together — inherited from W49
The conditions below can never be reported together with W49.02 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under W49.02? (3)
How long has W49.02 existed?
W49.02 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.