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ICD-10 Coding for Missed Abortion(O02.1)

Complete ICD-10-CM coding and documentation guide for Missed Abortion. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Silent MiscarriageEarly Fetal Demise

Related ICD-10 Code Ranges

Complete code families applicable to Missed Abortion

O00-O08Primary Range

Pregnancy with abortive outcome

This range includes codes for various types of abortion, including missed abortion.

Key Information: ICD-10 code for missed abortion

Essential facts and insights about Missed Abortion

The ICD-10 code for missed abortion is O02.1, applicable when fetal demise occurs with retained products and a closed cervical os.

Primary ICD-10-CM Code for missed abortion

Missed abortion
Billable Code

Decision Criteria

clinical Criteria

  • Ultrasound shows no cardiac activity and closed os.

documentation Criteria

  • Gestational age documented as <20 weeks.

Applicable To

  • Retained products of conception without bleeding

Excludes

  • Complete abortion (O03.9)
  • Incomplete abortion (O03.4)

Clinical Validation Requirements

  • No cardiac activity on transvaginal ultrasound
  • Closed cervical os
  • Gestational age <20 weeks

Code-Specific Risks

  • Incorrectly coding as incomplete abortion if os is open.

Coding Notes

  • Ensure documentation specifies 'missed abortion' with ultrasound findings.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Sepsis following incomplete abortion

O03.37
Use if sepsis is present with missed abortion.

Chorioamnionitis

O41.12-
Use if chorioamnionitis is present.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Incomplete spontaneous abortion

O03.4
Use when products of conception are partially expelled and os is open.

Complete spontaneous abortion

O03.9
Use when all products of conception are expelled.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Missed Abortion to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code O02.1.

Impact

Clinical: May lead to incorrect treatment plans., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials due to lack of specificity.

Mitigation Strategy

Use specific terms like 'missed abortion'., Ensure ultrasound findings are documented.

Impact

Reimbursement: May result in denied claims if incorrect code is used., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data reporting.

Mitigation Strategy

Verify cervical os status and use O02.1 if closed.

Impact

Lack of specific terms can lead to audit flags.

Mitigation Strategy

Ensure all clinical notes include specific ultrasound findings and cervical status.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Missed Abortion, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Missed Abortion

Use these documentation templates to ensure complete and accurate documentation for Missed Abortion. These templates include all required elements for proper coding and billing.

Uncomplicated Missed Abortion

Specialty: Obstetrics

Required Elements

  • Gestational age
  • Ultrasound findings
  • Cervical status
  • Plan of care

Example Documentation

24yo G1P0 at 9w6d by LMP presents for routine dating ultrasound. Transvaginal US shows intrauterine gestational sac 25mm with yolk sac, no fetal pole. Cervix closed. Diagnosis: Missed abortion. Plan: Methotrexate administration.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Nonviable pregnancy, recommend D&C
Good Documentation Example
Transvaginal US at 10w3d shows empty gestational sac 28mm with decidual reaction. Cervix nulliparous, os closed. Diagnosis: Missed abortion (O02.1). Plan: 59820 with MAC anesthesia.
Explanation
The good example provides specific ultrasound findings and cervical status, supporting the diagnosis and coding.

Need help with ICD-10 coding for Missed Abortion? Ask your questions below.

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