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ICD-10 Coding for Perinephric Hematoma(K66.1, S37.009A, N28.89)

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

Also known as:

Perirenal HematomaSubcapsular Renal Hematoma

Related ICD-10 Code Ranges

Complete code families applicable to Perinephric Hematoma

K66-K67Primary Range

Disorders of peritoneum

Includes hemoperitoneum which can be used for perinephric hematoma coding.

Injury of abdomen, lower back, lumbar spine, pelvis and external genitals

Includes traumatic injuries to the kidney, relevant for traumatic perinephric hematomas.

Other disorders of kidney and ureter

Includes non-traumatic renal hematomas, such as those caused by anticoagulants.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K66.1HemoperitoneumUse when the hematoma is non-traumatic and primarily involves the peritoneal space.
  • Imaging confirmation of hematoma
  • Clinical documentation of non-traumatic etiology
S37.009AUnspecified injury of kidneyUse for traumatic perinephric hematomas where laterality is not specified.
  • Trauma history
  • Imaging showing kidney injury
N28.89Other specified disorders of kidney and ureterUse for spontaneous or anticoagulant-induced hematomas.
  • Imaging confirmation of hematoma
  • Documentation of non-traumatic cause

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 perinephric hematoma

Essential facts and insights about Perinephric Hematoma

The ICD-10 code for perinephric hematoma is K66.1 for non-traumatic cases and S37.009A for traumatic cases.

Primary ICD-10-CM Codes for perinephric hematoma

Hemoperitoneum
Billable Code

Decision Criteria

clinical Criteria

  • Non-traumatic etiology confirmed by imaging

Applicable To

  • Perinephric hematoma

Excludes

  • Traumatic hemoperitoneum (S36.0)

Clinical Validation Requirements

  • Imaging confirmation of hematoma
  • Clinical documentation of non-traumatic etiology

Code-Specific Risks

  • Misclassification if trauma is present

Coding Notes

  • Ensure documentation specifies non-traumatic origin.

Ancillary Codes

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

Acute kidney failure, unspecified

N17.9
Use if acute kidney injury is present due to hematoma compression.

Right upper quadrant pain

R10.11
Use if patient presents with flank pain.

Hemorrhagic disorder due to extrinsic circulating anticoagulants

D68.32
Use if anticoagulant use is documented.

Differential Codes

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

Unspecified injury of kidney

S37.009A
Use for traumatic injuries without specified laterality.

Hemoperitoneum

K66.1
Use for non-traumatic cases.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Perinephric Hematoma to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K66.1.

Impact

Clinical: May affect treatment decisions., Regulatory: Inaccurate coding for anticoagulant-related conditions., Financial: Potential for denied claims if coding does not match documentation.

Mitigation Strategy

Review medication history, Document all relevant medications

Impact

Reimbursement: Incorrect DRG assignment may affect reimbursement., Compliance: Potential for audit if documentation does not support coding., Data Quality: Inaccurate data on trauma-related injuries.

Mitigation Strategy

Ensure documentation clearly specifies the cause of the hematoma.

Impact

Risk of misclassification leading to incorrect coding.

Mitigation Strategy

Thorough documentation of etiology and imaging findings.

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 Perinephric Hematoma, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Perinephric Hematoma

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

Emergency Department Admission

Specialty: Emergency Medicine

Required Elements

  • Patient history
  • Imaging results
  • Hematoma size and location
  • Etiology

Example Documentation

Patient presents with left flank pain. CT shows 9 cm left perinephric hematoma. No trauma reported. On anticoagulants for AFib.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has kidney bleeding.
Good Documentation Example
Patient presents with 9 cm left perinephric hematoma, confirmed by CT, on anticoagulants.
Explanation
Good example provides specific size, location, and etiology.

Need help with ICD-10 coding for Perinephric Hematoma? Ask your questions below.

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