O31.42X1
Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 1
- Release
- FY 2027
- Effective
Hierarchy
Where O31.42X1 sits in the official hierarchy. Each level is the code it is classified under.
- O31 Complications specific to multiple gestation
- O31.4 Continuing pregnancy after vanishing twin syndrome of one fetus or more
- O31.42 Parent Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester
- O31.42X1 This code Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 1
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes2
delayed delivery of second twin, triplet, etc. ( O63.2 )
Inherited from O31 — Complications specific to multiple gestation
7th Character
One of the following 7th characters is to be assigned to each code under category O31. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O31 that has a 7th character of 1 through 9.
Inherited from O31 — Complications specific to multiple gestation
7th Character
0 - not applicable or unspecified
Inherited from O31 — Complications specific to multiple gestation
Version History
How O31.42X1 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
NewContinuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 1
Related Codes
Other codes under O31.42
- O31.42X0 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, not applicable or unspecified Billable
- O31.42X2 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 2 Billable
- O31.42X3 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 3 Billable
- O31.42X4 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 4 Billable
- O31.42X5 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, fetus 5 Billable
- O31.42X9 Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester, other fetus Billable
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.
Look up another code
Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.