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ICD-10 Coding for Pregnancy Complicated by Hypotension(O26.51, O26.52, O26.53)

Complete ICD-10-CM coding and documentation guide for Pregnancy Complicated by Hypotension. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Maternal Hypotension SyndromeLow Blood Pressure in Pregnancy

Related ICD-10 Code Ranges

Complete code families applicable to Pregnancy Complicated by Hypotension

O26.5Primary Range

Maternal hypotension syndrome

Primary code range for hypotension during pregnancy, specifying trimester.

Weeks of gestation

Used to specify the gestational age in weeks for accurate documentation.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
O26.51Maternal hypotension syndrome, first trimesterUse when hypotension is documented in the first trimester with appropriate symptoms.
  • BP <100/60 mmHg documented in the first trimester
  • Symptoms such as dizziness or syncope
O26.52Maternal hypotension syndrome, second trimesterUse when hypotension is documented in the second trimester with appropriate symptoms.
  • BP <100/60 mmHg documented in the second trimester
  • Symptoms such as dizziness or syncope
O26.53Maternal hypotension syndrome, third trimesterUse when hypotension is documented in the third trimester with appropriate symptoms.
  • BP <100/60 mmHg documented in the third trimester
  • Symptoms such as dizziness or syncope

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for pregnancy complicated by hypotension

Essential facts and insights about Pregnancy Complicated by Hypotension

The ICD-10 code for pregnancy complicated by hypotension is O26.5, with specific codes for each trimester.

Primary ICD-10-CM Codes for pregnancy complicated by hypotension

Maternal hypotension syndrome, first trimester
Billable Code

Decision Criteria

clinical Criteria

  • BP <100/60 mmHg with symptoms in the first trimester

Applicable To

  • Hypotension in the first trimester of pregnancy

Excludes

  • Chronic hypotension (I95.1)

Clinical Validation Requirements

  • BP <100/60 mmHg documented in the first trimester
  • Symptoms such as dizziness or syncope

Code-Specific Risks

  • Misclassification if trimester is not specified

Coding Notes

  • Ensure trimester and symptoms are clearly documented.

Ancillary Codes

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

Weeks of gestation

Z3A.XX
Specify the exact gestational age in weeks.

Differential Codes

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

Gestational hypertension

O13
BP ≥140/90 mmHg without proteinuria

Preeclampsia

O14
Presence of proteinuria or other systemic involvement

Other complications of the puerperium

O90.89
Postpartum hypotension

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Pregnancy Complicated by Hypotension to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code O26.51.

Impact

Clinical: Incomplete clinical picture of pregnancy status., Regulatory: Non-compliance with coding guidelines., Financial: Potential claim denials or reduced reimbursement.

Mitigation Strategy

Always include Z3A code with trimester-specific hypotension codes.

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Always use O26.5x for hypotension during pregnancy with trimester specificity.

Impact

Failure to sequence O26.5x before Z3A can lead to audit issues.

Mitigation Strategy

Educate coding staff on correct sequencing rules.

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 Pregnancy Complicated by Hypotension, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Pregnancy Complicated by Hypotension

Use these documentation templates to ensure complete and accurate documentation for Pregnancy Complicated by Hypotension. These templates include all required elements for proper coding and billing.

Pregnancy with hypotension in third trimester

Specialty: Obstetrics

Required Elements

  • BP readings
  • Symptoms
  • Gestational age
  • Fetal monitoring results

Example Documentation

34yo G2P1 at 36w0d presents with syncopal episode. BP 84/52 mmHg (3 consecutive readings). Symptoms resolve in left lateral position. Fetal monitoring Category I. Diagnosis: Maternal hypotension syndrome, third trimester. Plan: Compression stockings, lateral positioning education.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Hypotension noted
Good Documentation Example
BP 94/58 mmHg at 30w4d gestation with intermittent lightheadedness; resolved with IV fluids. NST reactive. Z3A.30 documented.
Explanation
The good example provides specific BP readings, gestational age, and treatment details, ensuring accurate coding and billing.

Need help with ICD-10 coding for Pregnancy Complicated by Hypotension? Ask your questions below.

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