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O31.1 ICD-10-CM Code: Continuing pregnancy after spontaneous abortion of one fetus or more

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Continuing pregnancy after spontaneous abortion of one fetus or more is a non-billable ICD-10-CM category code (O31.1). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for O31.1 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.

Frequently Compared Codes

The official Excludes notes on O31.1 name these codes. Each comparison page covers when the two can — or must not — be reported together.

Change history

No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.

Verify Before Coding

  • Not billable as written — a more specific code is required.
  • Requires a 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." Options: O31.10X0, O31.10X1, O31.10X2, O31.10X3, O31.10X4, O31.10X5

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Relationships & Classification

Other codes that name O31.1 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

8 Excludes1 notes: O00, O00-O08, O01, O02, O03, O04, O07, O08.

Contextual Map

Every relationship of O31.1 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • O00-O9A — Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A) (O00-O9A) [Hierarchy]
  • O30-O48 — Maternal care related to the fetus and amniotic cavity and possible delivery problems [Hierarchy]
  • O31 — Clinical Diagnosis [Hierarchy]

Referenced by Excludes1 notes

  • O00 — Ectopic pregnancy [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together
  • O00-O08 — Pregnancy with abortive outcome (O00-O08) [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together
  • O01 — Hydatidiform mole [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together
  • O02 — Other abnormal products of conception [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together
  • O03 — Spontaneous abortion [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together
  • O04 — Complications following (induced) termination of pregnancy [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together
  • O07 — Failed attempted termination of pregnancy [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together
  • O08 — Complications following ectopic and molar pregnancy [Excludes1]: “continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)” · check together

Nearest codes (40)

  • O31 — Complications specific to multiple gestation [Sibling]
  • O31.01X3 — Papyraceous fetus, first trimester, fetus 3 [Sibling]
  • O31.01X4 — Papyraceous fetus, first trimester, fetus 4 [Sibling]
  • O31.01X5 — Papyraceous fetus, first trimester, fetus 5 [Sibling]
  • O31.01X9 — Papyraceous fetus, first trimester, other fetus [Sibling]
  • O31.02 — Papyraceous fetus, second trimester [Sibling]
  • O31.02X0 — Papyraceous fetus, second trimester, not applicable or unspecified [Sibling]
  • O31.02X1 — Papyraceous fetus, second trimester, fetus 1 [Sibling]
  • and 32 more

Frequently Asked Questions (FAQ) & Clinical Guidance

Can O31.1 be billed directly?

No. O31.1 (Continuing pregnancy after spontaneous abortion of one fetus or more) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does O31.1 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..

Nearest Codes in This Family

Official ICD-10-CM classifications closest to O31.1 in its code family, with their registry titles.

  • 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
  • O31.10 — 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 codes in the O31 family