2023

  1. ICD-10-CM Codes
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  2. O00-O9A
    3. ›
  3. O20-O29
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  4. O22-
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  5. 2023 ICD-10-CM Diagnosis Code O22.31

2023 ICD-10-CM Diagnosis Code O22.31

Deep phlebothrombosis in pregnancy, first trimester

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Maternity Dx (12-55 years) Female Dx 1st Trimester (< 14 weeks)
  • O22.31 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 O22.31 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of O22.31 - other international versions of ICD-10 O22.31 may differ.
ICD-10-CM Coding Rules
  • O22.31 is applicable to maternity patients aged 12 - 55 years inclusive.
  • O22.31 is applicable to female patients.
  • O22.31 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 O22.31 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 O22.31:
  • 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
  • O20-O29
    2023 ICD-10-CM Range O20-O29

    Other maternal disorders predominantly related to pregnancy

    Type 2 Excludes
    • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
    • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
    Other maternal disorders predominantly related to pregnancy
  • O22
    ICD-10-CM Diagnosis Code O22

    Venous complications and hemorrhoids in pregnancy

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • venous complications of:
    • abortion NOS (O03.9)
    • ectopic or molar pregnancy (O08.7)
    • failed attempted abortion (O07.35)
    • induced abortion (O04.85)
    • spontaneous abortion (O03.89)
    Type 2 Excludes
    • obstetric pulmonary embolism (O88.-)
    • venous complications and hemorrhoids of childbirth and the puerperium (O87.-)
    Venous complications and hemorrhoids in pregnancy
  • O22.3
    ICD-10-CM Diagnosis Code O22.3

    Deep phlebothrombosis in pregnancy

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Applicable To
    • Deep vein thrombosis, antepartum
    Use Additional
    Deep phlebothrombosis in pregnancy
ICD-10-CM O22.31 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 O22.31 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 O22.31
O22.11 …… first trimester
O22.12 …… second trimester
O22.13 …… third trimester
O22.2 Superficial thrombophlebitis in pregnancy
O22.20 …… unspecified trimester
O22.21 …… first trimester
O22.22 …… second trimester
O22.23 …… third trimester
O22.3 Deep phlebothrombosis in pregnancy
O22.30 …… unspecified trimester
O22.31 …… first trimester
O22.32 …… second trimester
O22.33 …… third trimester
O22.4 Hemorrhoids in pregnancy
O22.40 …… unspecified trimester
O22.41 …… first trimester
O22.42 …… second trimester
O22.43 …… third trimester
O22.5 Cerebral venous thrombosis in pregnancy
O22.50 …… unspecified trimester
O22.51 …… first trimester

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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