2023 ICD-10-CM Diagnosis Code O34.91

Maternal care for abnormality of pelvic organ, unspecified, first trimester

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx 1st Trimester (< 14 weeks)
  • O34.91 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Maternal care for abnlt of pelvic organ, unsp, first tri
  • The 2023 edition of ICD-10-CM O34.91 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of O34.91 - other international versions of ICD-10 O34.91 may differ.
ICD-10-CM Coding Rules
  • O34.91 is applicable to maternity patients aged 12 - 55 years inclusive.
  • O34.91 is applicable to female patients.
  • O34.91 is applicable to mothers in the first trimester of pregnancy, which is defined as less than 14 weeks since the first day of the last menstrual period.
The following code(s) above O34.91 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 O34.91:
  • 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
  • O34
    ICD-10-CM Diagnosis Code O34

    Maternal care for abnormality of pelvic organs

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    • any associated obstructed labor (O65.5)
    Includes
    • the listed conditions as a reason for hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
    Use Additional
    • code for specific condition
    Maternal care for abnormality of pelvic organs
ICD-10-CM O34.91 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 O34.91 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
ICD-10-CM Codes Adjacent To O34.91
O34.71 …… first trimester
O34.72 …… second trimester
O34.73 …… third trimester
O34.8 Maternal care for other abnormalities of pelvic organs
O34.80 …… unspecified trimester
O34.81 …… first trimester
O34.82 …… second trimester
O34.83 …… third trimester
O34.9 Maternal care for abnormality of pelvic organ, unspecified
O34.90 …… unspecified trimester
O34.91 …… first trimester
O34.92 …… second trimester
O34.93 …… third trimester
O35 Maternal care for known or suspected fetal abnormality and damage
O35.0 Maternal care for (suspected) central nervous system malformation in fetus
O35.00 Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified
O35.00X0 …… not applicable or unspecified
O35.00X1 …… fetus 1
O35.00X2 …… fetus 2
O35.00X3 …… fetus 3
O35.00X4 …… fetus 4

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