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ICD-10-CM Codes
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O00-O9A
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O66-
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2023 ICD-10-CM Diagnosis Code O66.9
2023 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
- O66.9 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 O66.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of O66.9 - other international versions of ICD-10 O66.9 may differ.
ICD-10-CM Coding Rules
- O66.9 is applicable to maternity patients aged 12 - 55 years inclusive.
- O66.9 is applicable to female patients.
Applicable To- Dystocia NOS
- Fetal dystocia NOS
- Maternal dystocia NOS
The following code(s) above
O66.9 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
O66.9:
Approximate Synonyms
Clinical Information
- Slow or difficult obstetric labor or childbirth.
ICD-10-CM O66.9 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 O66.9 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 O66.9:
- Delay, delayed
- 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
- Dystocia O66.9
- fetal O66.9
- maternal O66.9
ICD-10-CM Codes Adjacent To O66.9
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
O66.41 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
O67.9 Intrapartum hemorrhage, unspecified
O68 Labor and delivery complicated by abnormality of fetal acid-base balance
O69 Labor and delivery complicated by umbilical cord complications
O69.0 Labor and delivery complicated by prolapse of cord
O69.0XX0 …… not applicable or unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.