ICD-10-CM Diagnosis Code O03 - Spontaneous abortion (original) (raw)

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ICD List 2025-2026 Edition

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Spontaneous abortion

ICD-10-CM Code:

O03

ICD-10 Code for:

Spontaneous abortion

Is Billable?

Not Valid for Submission

Code Navigator:

O03 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity from the list below for a diagnosis of spontaneous abortion. The code is not specific and is NOT valid for the year 2026 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Non-specific codes like O03 require more digits to indicate the appropriate level of specificity. Consider using any of the following billable codes with a higher level of specificity when coding for spontaneous abortion:

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  4. Patient Education
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Miscarriage

What is a miscarriage?

A miscarriage is an unexpected loss of pregnancy before the 20th week. Most miscarriages happen very early in the pregnancy, often before a woman even knows she is pregnant.

What causes a miscarriage?

A miscarriage can happen in any pregnancy. Most miscarriages occur because the fetus doesn't develop properly. This is often linked to a genetic problem with the fetus, such as an extra or missing chromosome.

In many cases, the cause of a miscarriage is unknown. Some possible factors that may increase the chance of a miscarriage can include:

What are the signs of a miscarriage?

The signs of a miscarriage may be different for everyone and can vary based on how far along you are in your pregnancy.

Signs of a miscarriage can include:

Sometimes, it's hard to know what's normal during pregnancy. If something seems unusual or is worrying you, talk to your provider.

How is a miscarriage diagnosed?

To check if you have had a miscarriage, your provider may do the following:

What is the treatment for a miscarriage?

Treatment after a miscarriage often depends on when it occurs during the pregnancy. If you miscarry early in your pregnancy, you may not need any treatment. If you are 12 or more weeks pregnant, you may need a shot to prevent problems with the Rh factor in future pregnancies.

In some cases, tissue is left in the uterus. If you don't have any signs of infection, your provider may recommend waiting for the tissue to pass naturally. If you need treatment to remove the tissue, it can include:

No matter when it occurs, losing a pregnancy can be difficult. Counseling may help you cope with your grief. Later, if you decide to try to get pregnant again, talk with your provider to understand any risks. Many women who have a miscarriage go on to have healthy pregnancies later.

Can a miscarriage be prevented?

Miscarriage can affect anyone and often can't be prevented. Focus on taking good care of yourself and start prenatal care visits early in your pregnancy.

NIH: National Institute of Child Health and Human Development

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