O66.9

Obstructed labor, unspecified

Billable / specific

O66.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Applicable to

  • Dystocia NOS
  • Fetal dystocia NOS
  • Maternal dystocia NOS

Includes (from O66)

  • 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 O66)

Excludes2

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

  • mental and behavioral disorders associated with the puerperium (F53.-) (from O66)
  • obstetrical tetanus (A34) (from O66)
  • postpartum necrosis of pituitary gland (E23.0) (from O66)
  • puerperal osteomalacia (M83.0) (from O66)

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 O66)

Also known as

  • Dystocia NOS
  • Fetal dystocia NOS
  • Maternal dystocia NOS
  • Delay, delayed, any plane in pelvis, complicating delivery
  • Dystocia
  • Dystocia, fetal
  • Dystocia, maternal

Parent code

  • O66Other obstructed laborHeader

Related codes

  • O66.0Obstructed labor due to shoulder dystociaBillable
  • O66.1Obstructed labor due to locked twinsBillable
  • O66.2Obstructed labor due to unusually large fetusBillable
  • O66.3Obstructed labor due to other abnormalities of fetusBillable
  • O66.4Failed trial of laborHeader
  • O66.5Attempted application of vacuum extractor and forcepsBillable
  • O66.6Obstructed labor due to other multiple fetusesBillable
  • O66.8Other specified obstructed laborBillable

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