ICD-10-CM · Chapter 15 · O00-O9A
O47 False labor
Includes
- Braxton Hicks contractions
- threatened labor
Excludes 1 (cannot be coded together)
- preterm labor (O60.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O47..0 | False labor before 37 completed weeks of gestation | No |
| O47..00 | False labor before 37 completed weeks of gestation, unspecified trimester | Yes |
| O47..02 | False labor before 37 completed weeks of gestation, second trimester | Yes |
| O47..03 | False labor before 37 completed weeks of gestation, third trimester | Yes |
| O47..1 | False labor at or after 37 completed weeks of gestation | Yes |
| O47..9 | False labor, unspecified | Yes |
Last reviewed: September 2026