2023

  1. ICD-10-CM Codes
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  2. O00-O9A
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  3. O60-O77
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  5. 2023 ICD-10-CM Diagnosis Code O66.3

2023 ICD-10-CM Diagnosis Code O66.3

Obstructed labor due to other abnormalities of fetus

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
  • O66.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM O66.3 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of O66.3 - other international versions of ICD-10 O66.3 may differ.
ICD-10-CM Coding Rules
  • O66.3 is applicable to maternity patients aged 12 - 55 years inclusive.
  • O66.3 is applicable to female patients.
Applicable To
  • Dystocia due to fetal ascites
  • Dystocia due to fetal hydrops
  • Dystocia due to fetal meningomyelocele
  • Dystocia due to fetal sacral teratoma
  • Dystocia due to fetal tumor
  • Dystocia due to hydrocephalic fetus
Use Additional
Use Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • code to identify cause of obstruction
The following code(s) above O66.3 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to O66.3:
  • O00-O9A
    2023 ICD-10-CM Range O00-O9A

    Pregnancy, childbirth and the puerperium

    Note
    • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
    • 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)
    • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
    • 1st trimester- less than 14 weeks 0 days
    • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
    • 3rd trimester- 28 weeks 0 days until delivery
    Type 1 Excludes
    • supervision of normal pregnancy (Z34.-)
    Type 2 Excludes
    • mental and behavioral disorders associated with the puerperium (F53.-)
    • obstetrical tetanus (A34)
    • postpartum necrosis of pituitary gland (E23.0)
    • puerperal osteomalacia (M83.0)
    Use Additional
    • code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
    Pregnancy, childbirth and the puerperium
ICD-10-CM O66.3 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 817 Other antepartum diagnoses with o.r. Procedures with mcc
  • 818 Other antepartum diagnoses with o.r. Procedures with cc
  • 819 Other antepartum diagnoses with o.r. Procedures without cc/mcc
  • 831 Other antepartum diagnoses without o.r. Procedures with mcc
  • 832 Other antepartum diagnoses without o.r. Procedures with cc
  • 833 Other antepartum diagnoses without o.r. Procedures without cc/mcc

Convert O66.3 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to O66.3:
  • Type 1 Excludes: O65.4
    , O33.7
    ICD-10-CM Diagnosis Code O65.4

    Obstructed labor due to fetopelvic disproportion, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
    Type 1 Excludes
    ICD-10-CM Diagnosis Code O33.7

    Maternal care for disproportion due to other fetal deformities

      2016 2017 - Converted to Parent Code 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Maternal care for disproportion due to fetal ascites
    • Maternal care for disproportion due to fetal hydrops
    • Maternal care for disproportion due to fetal meningomyelocele
    • Maternal care for disproportion due to fetal sacral teratoma
    • Maternal care for disproportion due to fetal tumor
    Type 1 Excludes
    • obstructed labor due to other fetal deformities (O66.3)

Diagnosis Index entries containing back-references to O66.3:
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • fetal
      • causing obstructed labor O66.3
  • Delivery (childbirth) (labor)
    • complicated O75.9
      ICD-10-CM Diagnosis Code O75.9

      Complication of labor and delivery, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
      • by
        • fetal
          • deformity O66.3
        • obstructed labor
          • due to
            • dystocia (fetal) O66.9
              ICD-10-CM Diagnosis Code O66.9

              Obstructed labor, unspecified

                2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
              Applicable To
              • Dystocia NOS
              • Fetal dystocia NOS
              • Maternal dystocia NOS
              • due to
                • fetal
                  • abnormality NEC O66.3
                  • ascites O66.3
                  • hydrops O66.3
                  • meningomyelocele O66.3
                  • sacral teratoma O66.3
                  • tumor O66.3
                • conjoined twins O66.3
                • hydrocephalic fetus O66.3
  • Dystocia O66.9
    ICD-10-CM Diagnosis Code O66.9

    Obstructed labor, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
    Applicable To
    • Dystocia NOS
    • Fetal dystocia NOS
    • Maternal dystocia NOS
    • fetal O66.9
      ICD-10-CM Diagnosis Code O66.9

      Obstructed labor, unspecified

        2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx
      Applicable To
      • Dystocia NOS
      • Fetal dystocia NOS
      • Maternal dystocia NOS
      • abnormality NEC O66.3
      • conjoined twins O66.3
  • Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) G91.9
    ICD-10-CM Diagnosis Code G91.9

    Hydrocephalus, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • causing disproportion O33.6
      ICD-10-CM Diagnosis Code O33.6

      Maternal care for disproportion due to hydrocephalic fetus

        2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
      • with obstructed labor O66.3
  • Hydrops R60.9
    ICD-10-CM Diagnosis Code R60.9

    Edema, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Fluid retention NOS
    • causing obstructed labor O66.3 (mother)

ICD-10-CM Codes Adjacent To O66.3
O65.2 Obstructed labor due to pelvic inlet contraction
O65.3 Obstructed labor due to pelvic outlet and mid-cavity contraction
O65.4 Obstructed labor due to fetopelvic disproportion, unspecified
O65.5 Obstructed labor due to abnormality of maternal pelvic organs
O65.8 Obstructed labor due to other maternal pelvic abnormalities
O65.9 Obstructed labor due to maternal pelvic abnormality, unspecified
O66 Other obstructed labor
O66.0 Obstructed labor due to shoulder dystocia
O66.1 Obstructed labor due to locked twins
O66.2 Obstructed labor due to unusually large fetus
O66.3 Obstructed labor due to other abnormalities of fetus
O66.4 Failed trial of labor
O66.40 …… unspecified
O66.41 Failed attempted vaginal birth after previous cesarean delivery
O66.5 Attempted application of vacuum extractor and forceps
O66.6 Obstructed labor due to other multiple fetuses
O66.8 Other specified obstructed labor
O66.9 Obstructed labor, unspecified
O67 Labor and delivery complicated by intrapartum hemorrhage, not elsewhere classified
O67.0 Intrapartum hemorrhage with coagulation defect
O67.8 Other intrapartum hemorrhage

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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