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O03.8

Other and unspecified complications following complete or unspecified spontaneous abortion

Not billable — category only FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 9 more specific codes sit alongside it. Worth checking whether the documentation supports one of them.
Exclusions 6 never code together
O00-O08block
Excludes1
  • continuing pregnancy in multiple gestation after abortion of one fetus or more (O31.1-, O31.3-)O31.1-O31.3-
O00-O9Achapter
Excludes1
  • supervision of normal pregnancy (Z34.-)Z34.-
Excludes2
  • mental and behavioral disorders associated with the puerperium (F53.-)F53.-
  • obstetrical tetanus (A34)A34
  • postpartum necrosis of pituitary gland (E23.0)E23.0
  • puerperal osteomalacia (M83.0)M83.0

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 9
O03code
Notes
  • Incomplete abortion includes retained products of conception following spontaneous abortion
Includes
  • miscarriage
O00-O9Achapter
Notes
  • 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
Use additional code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.Z3A
Index entries leading here filed at null

No alphabetic index entry points at this code.

Alongside this code 9 same parent — O03
Subordinate codes 10
Medications 2

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
O03
Block
O00-O08
Siblings
9
Subordinate
10

Present FY2024–FY2027.