1. ICD-10-CM Codes
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2. O00-O9A Pregnancy, childbirth and the puerperium
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3. O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
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4. O31- Complications specific to multiple gestation
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5. 2021 ICD-10-CM Diagnosis Code O31.23X4

2021 ICD-10-CM Diagnosis Code O31.23X4

Continuing pregnancy after intrauterine death of one fetus or more, third trimester, fetus 4

2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years) 3rd Trimester (28+ weeks)

• O31.23X4 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, third tri, fts4
• The 2021 edition of ICD-10-CM O31.23X4 became effective on October 1, 2020.
• This is the American ICD-10-CM version of O31.23X4 - other international versions of ICD-10 O31.23X4 may differ.

• O31.23X4 is applicable to maternity patients aged 12 - 55 years inclusive.
• O31.23X4 is applicable to mothers in the third trimester of pregnancy, which is defined as between equal to or greater than 28 weeks since the first day of the last menstrual period.

• 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 O31.23X4 to ICD-9-CM

• 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

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