2019 ICD-10-CM Diagnosis Code O31.21X9

Continuing pregnancy after intrauterine death of one fetus or more, first trimester, other fetus

    2016 2017 2018 2019 Billable/Specific Code Maternity Dx (12-55 years) Female Dx 1st Trimester (< 14 weeks)
  • O31.21X9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Cont preg aft uterin dth of one fts or more, first tri, oth
  • The 2019 edition of ICD-10-CM O31.21X9 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of O31.21X9 - other international versions of ICD-10 O31.21X9 may differ.
ICD-10-CM Coding Rules
  • O31.21X9 is applicable to maternity patients aged 12 - 55 years inclusive.
  • O31.21X9 is applicable to female patients.
  • O31.21X9 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 O31.21X9 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 O31.21X9:
  • O00-O9A
    2019 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 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
ICD-10-CM O31.21X9 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 817 Other antepartum diagnoses with o.r. Procedure with mcc
  • 818 Other antepartum diagnoses with o.r. Procedure with cc
  • 819 Other antepartum diagnoses with o.r. Procedure without cc/mcc
  • 831 Other antepartum diagnoses without o.r. Procedure with mcc
  • 832 Other antepartum diagnoses without o.r. Procedure with cc
  • 833 Other antepartum diagnoses without o.r. Procedure without cc/mcc

Convert O31.21X9 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
ICD-10-CM Codes Adjacent To O31.21X9
O31.20X4 …… fetus 4
O31.20X5 …… fetus 5
O31.20X9 …… other fetus
O31.21 Continuing pregnancy after intrauterine death of one fetus or more, first trimester
O31.21X0 …… not applicable or unspecified
O31.21X1 …… fetus 1
O31.21X2 …… fetus 2
O31.21X3 …… fetus 3
O31.21X4 …… fetus 4
O31.21X5 …… fetus 5
O31.21X9 …… other fetus
O31.22 Continuing pregnancy after intrauterine death of one fetus or more, second trimester
O31.22X0 …… not applicable or unspecified
O31.22X1 …… fetus 1
O31.22X2 …… fetus 2
O31.22X3 …… fetus 3
O31.22X4 …… fetus 4
O31.22X5 …… fetus 5
O31.22X9 …… other fetus
O31.23 Continuing pregnancy after intrauterine death of one fetus or more, third trimester
O31.23X0 …… 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.