1. O47 False labor

    Includes:

    • Braxton Hicks contractions
    • threatened labor

    Excludes1

    • preterm labor (O60.-)
    1. O47.0 False labor before 37 completed weeks of gestation

      1. O47.00 False labor before 37 completed weeks of gestation, unspecified trimester

      2. O47.02 False labor before 37 completed weeks of gestation, second trimester

      3. O47.03 False labor before 37 completed weeks of gestation, third trimester

    2. O47.1 False labor at or after 37 completed weeks of gestation

    3. O47.9 False labor, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.