O31.8X2 is the authoritative medical code for Other complications specific to multiple gestation, second trimester. This classification is used in medical billing and clinical recording to specify the clinical criteria for other complications specific to multiple gestation, second trimester (ICD-10-CM O31.8X2), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Other complications specific to multiple gestation, second trimester is a non-billable ICD-10-CM category code O31.8X2. A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): delayed delivery of second twin, triplet, etc. O63.2; malpresentation of one fetus or more O32.9; placental transfusion syndromes O43.0-. 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..
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for O31.8X2 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- delayed delivery of second twin, triplet, etc. O63.2
- malpresentation of one fetus or more O32.9
- placental transfusion syndromes O43.0-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can O31.8X2 be billed directly?
No. O31.8X2 (Other complications specific to multiple gestation, second trimester) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does O31.8X2 require a 7th character?
Yes. 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..
Can O31.8X2 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, O31.8X2 and the following are not considered part of each other and may both be reported when both conditions are present: delayed delivery of second twin, triplet, etc. (O63.2); malpresentation of one fetus or more (O32.9); placental transfusion syndromes (O43.0-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to O31.8X2 in its code family, with their registry titles.
- O31.03X3 — Papyraceous fetus, third trimester, fetus 3
- O31.03X4 — Papyraceous fetus, third trimester, fetus 4
- O31.03X5 — Papyraceous fetus, third trimester, fetus 5
- O31.03X9 — Papyraceous fetus, third trimester, other fetus
- O31.1 — Continuing pregnancy after spontaneous abortion of one fetus or more
- O31.10 — Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester
- O31.10X0 — Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, not applicable or unspecified
- O31.10X1 — Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 1
- O31.10X2 — Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 2
- O31.10X3 — Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester, fetus 3
View all 40 codes in the O31 family