2007 ICD-9-CM Volume 1 Diagnosis Codes Home > Complications Of Pregnancy, Childbirth, And The Puerperium 630-677 > Complications Mainly Related To Pregnancy 640-649 > Early Or Threatened Labor 644.* >
 2007 ICD-9-CM Diagnosis 644.0
Threatened premature labor On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 644.0 can be accessed here. - 644.0 is a non-specific code that cannot be used to specify a diagnosis
- 644.0 contains 6 index entries
- View the ICD-9-CM Volume 1 644.* hierarchy
644.0 excludes: - that occurring before 22 completed weeks of gestation (640.0)
Index entries containing 644.0:- Labor (see also Delivery)
- premature 644.2
- threatened
 644.0
Pregnancy (single) (uterine) (without sickness) V22.2- complicated (by) 646.9
- onset of contractions before 37 weeks 644.0
- threatened
- premature labor 644.0
Premature - see also condition- labor 644.2
- threatened 644.0
Threatened- labor 644.1
- premature 644.0
- premature
- labor 644.0
- before 22 completed weeks gestation 640.0
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