Alphabetic Index FY2027

O04.6

Delayed or excessive hemorrhage following (induced) termination of pregnancy

FY2027Chapter 15: Pregnancy, childbirth and the puerperium/O00–O08 Pregnancy with abortive outcome

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Other

O04.6 (also written O046) is a billable ICD-10-CM diagnosis code for delayed or excessive hemorrhage following (induced) termination of pregnancy. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 13 codes in category O04 (Complications following (induced) termination of pregnancy). The Alphabetic Index lists it under 5 entries. Its coding notes include a Use additional code instruction, 2 Excludes1 entries and 6 Excludes2 entries.

Guidelines tips

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

The trimester character comes from the provider's documentation for the current encounter. The unspecified trimester code should rarely be used.

Guidelines I.C.15.a.3; I.C.15.a.5Pregnancy: the trimester characterRead the official text

O04.6 is assigned for hemorrhage after an induced termination, not O72.1.

Guidelines I.C.15.q.4Hemorrhage following elective abortionRead the official text

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (1 note)
Inherited from Chapter 15 Pregnancy, childbirth and the puerperium
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Also from chapter/block level (2 notes)
Inherited from O00–O08 Pregnancy with abortive outcome
  • continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)
Inherited from Chapter 15 Pregnancy, childbirth and the puerperium
  • supervision of normal pregnancy (Z34.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from O04 Complications following (induced) termination of pregnancy
  • encounter for elective termination of pregnancy (Z33.2)
  • failed attempted termination of pregnancy (O07.-)
Also from chapter/block level (4 notes)
Inherited from Chapter 15 Pregnancy, childbirth and the puerperium
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Other clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026

Includes

Further defines or gives examples of the content of the category.

Inherited from O04 Complications following (induced) termination of pregnancy
  • complications following (induced) termination of pregnancy

Inclusion terms

Conditions classified to this code.

This code
  • Afibrinogenemia following (induced) termination of pregnancy
  • Defibrination syndrome following (induced) termination of pregnancy
  • Hemolysis following (induced) termination of pregnancy
  • Intravascular coagulation following (induced) termination of pregnancy

Notes

Also from chapter/block level (6 notes)
Inherited from Chapter 15 Pregnancy, childbirth and the puerperium
  • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
  • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
    • 1st trimester- less than 14 weeks 0 days
    • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
    • 3rd trimester- 28 weeks 0 days until delivery

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 5 entries