2021

  1. ICD-10-CM Codes
    2. ›
  2. O00-O9A Pregnancy, childbirth and the puerperium
    3. ›
  3. O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
    4. ›
  4. O31- Complications specific to multiple gestation
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code O31.8X9

2021 ICD-10-CM Diagnosis Code O31.8X9

Other complications specific to multiple gestation, unspecified trimester

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • O31.8X9 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Oth comp specific to multiple gestation, unsp trimester
  • The 2021 edition of ICD-10-CM O31.8X9 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of O31.8X9 - other international versions of ICD-10 O31.8X9 may differ.
The following code(s) above O31.8X9 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 O31.8X9:
  • O00-O9A
    2021 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
  • O31
    ICD-10-CM Diagnosis Code O31

    Complications specific to multiple gestation

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • delayed delivery of second twin, triplet, etc. (O63.2)
    • malpresentation of one fetus or more (O32.9)
    • placental transfusion syndromes (O43.0-)
    Complications specific to multiple gestation
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
ICD-10-CM Codes Adjacent To O31.8X9
O31.8X25 …… fetus 5
O31.8X29 …… other fetus
O31.8X3 Other complications specific to multiple gestation, third trimester
O31.8X30 …… not applicable or unspecified
O31.8X31 …… fetus 1
O31.8X32 …… fetus 2
O31.8X33 …… fetus 3
O31.8X34 …… fetus 4
O31.8X35 …… fetus 5
O31.8X39 …… other fetus
O31.8X9 Other complications specific to multiple gestation, unspecified trimester
O31.8X90 …… not applicable or unspecified
O31.8X91 …… fetus 1
O31.8X92 …… fetus 2
O31.8X93 …… fetus 3
O31.8X94 …… fetus 4
O31.8X95 …… fetus 5
O31.8X99 …… other fetus
O32 Maternal care for malpresentation of fetus
O32.0 Maternal care for unstable lie
O32.0XX0 …… 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.

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