O47.0 False labor before 37 completed weeks of gestation

The ICD-10-CM code for False labor before 37 completed weeks of gestation is O47.0 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O30-O48: Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

Category O47

7 codes (5 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O47.0:

• Threatened › labor (without delivery) › before 37 completed weeks of gestation
• False › labor (pains) › before 37 completed weeks of gestation
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › false labor (pains) › before 37 completed weeks of pregnancy
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › threatened › labor › before 37 completed weeks of gestation

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool