O31.42 is the authoritative medical code for Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester. This classification is used in medical billing and clinical recording to specify the clinical criteria for continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester (ICD-10-CM O31.42), ensuring healthcare documentation aligns with 2026 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
No additional overview provided for this record.
Frequently Asked Questions (FAQ) & Clinical Guidance
Can O31.42 be billed directly?
No. O31.42 (Continuing pregnancy after vanishing twin syndrome of one fetus or more, second trimester) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as O31.42, with their registry titles.
- O31 — Complications specific to multiple gestation
- O31.0 — Papyraceous fetus
- O31.00 — Papyraceous fetus, unspecified trimester
- O31.00X0 — Papyraceous fetus, unspecified trimester, not applicable or unspecified
- O31.00X1 — Papyraceous fetus, unspecified trimester, fetus 1
- O31.00X2 — Papyraceous fetus, unspecified trimester, fetus 2
- O31.00X3 — Papyraceous fetus, unspecified trimester, fetus 3
- O31.00X4 — Papyraceous fetus, unspecified trimester, fetus 4
- O31.00X5 — Papyraceous fetus, unspecified trimester, fetus 5
- O31.00X9 — Papyraceous fetus, unspecified trimester, other fetus
- O31.01 — Papyraceous fetus, first trimester
- O31.01X0 — Papyraceous fetus, first trimester, not applicable or unspecified
- O31.01X1 — Papyraceous fetus, first trimester, fetus 1
- O31.01X2 — Papyraceous fetus, first trimester, fetus 2
- O31.01X3 — Papyraceous fetus, first trimester, fetus 3
- O31.01X4 — Papyraceous fetus, first trimester, fetus 4
- O31.01X5 — Papyraceous fetus, first trimester, fetus 5
- O31.01X9 — Papyraceous fetus, first trimester, other fetus
- O31.02 — Papyraceous fetus, second trimester
- O31.02X0 — Papyraceous fetus, second trimester, not applicable or unspecified
- O31.02X1 — Papyraceous fetus, second trimester, fetus 1
- O31.02X2 — Papyraceous fetus, second trimester, fetus 2
- O31.02X3 — Papyraceous fetus, second trimester, fetus 3
- O31.02X4 — Papyraceous fetus, second trimester, fetus 4
- O31.02X5 — Papyraceous fetus, second trimester, fetus 5
- O31.02X9 — Papyraceous fetus, second trimester, other fetus
- O31.03 — Papyraceous fetus, third trimester
- O31.03X0 — Papyraceous fetus, third trimester, not applicable or unspecified
- O31.03X1 — Papyraceous fetus, third trimester, fetus 1
- O31.03X2 — Papyraceous fetus, third trimester, fetus 2
- 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
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code O29.42
Spinal and epidural anesthesia induced headache during pregnancy, second trimester
ICD Code O34.42
Maternal care for other abnormalities of cervix, second trimester