660: Obstructed labor
Requires fifth digit; valid digits are in [brackets] under each code. see beginning of section 660-669 for definitions.
660.2 Obstruction by abnormal pelvic soft tissues
[0,1,3]
Prolapse of anterior lip of cervix
Any condition classifiable to 654, causing obstruction during labor
Use additional code from 654.0-654.9 to identify condition
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