O42.1

Premature rupture of membranes, onset of labor more than 24 hours following rupture

Non-billable header

O42.1 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from O42)

  • Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Note: Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
  • Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • Note: 1st trimester- less than 14 weeks 0 days
  • Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • Note: 3rd trimester- 28 weeks 0 days until delivery

Excludes1

Not coded here — never report together with this code.

  • supervision of normal pregnancy (Z34.-) (from O42)

Excludes2

Not included here — may be reported together when both conditions exist.

  • mental and behavioral disorders associated with the puerperium (F53.-) (from O42)
  • obstetrical tetanus (A34) (from O42)
  • postpartum necrosis of pituitary gland (E23.0) (from O42)
  • puerperal osteomalacia (M83.0) (from O42)

Use additional code

Add a code to identify the following, if applicable.

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known. (from O42)

Parent code

  • O42Premature rupture of membranesHeader

More specific codes O42.1

  • O42.10Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestationBillable
  • O42.11Preterm premature rupture of membranes, onset of labor more than 24 hours following ruptureHeader
  • O42.12Full-term premature rupture of membranes, onset of labor more than 24 hours following ruptureBillable

Related codes

  • O42.0Premature rupture of membranes, onset of labor within 24 hours of ruptureHeader
  • O42.9Premature rupture of membranes, unspecified as to length of time between rupture and onset of laborHeader

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