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2007 ICD-9-CM Diagnosis Code 644
Early or threatened labor
2007 ICD-9-CM Diagnosis Code 644.0
Threatened premature labor
2007 ICD-9-CM Diagnosis Code 644.00
Threatened premature labor unspecified as to episode of care
2007 ICD-9-CM Diagnosis Code 644.03
Threatened premature labor antepartum
2007 ICD-9-CM Diagnosis Code 644.1
Other threatened labor
2007 ICD-9-CM Diagnosis Code 644.10
Other threatened labor unspecified as to episode of care
2007 ICD-9-CM Diagnosis Code 644.13
Other threatened labor antepartum
2007 ICD-9-CM Diagnosis Code 644.2
Early onset of delivery
2007 ICD-9-CM Diagnosis Code 644.20
Early onset of delivery unspecified as to episode of care
2007 ICD-9-CM Diagnosis Code 644.21
Early onset of delivery delivered with or without antepartum condition