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v1.0.0
ICD-10 Guide
DiagnosesRetroperitoneal Hematoma

Retroperitoneal Hematoma

ICD-10 Coding for Retroperitoneal Hematoma(K68.3, T81.0XXA, S39.03XA)

PRIMARY SPECIALTYInternal Medicine
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Retroperitoneal Hematoma?
Essential facts and insights about Retroperitoneal Hematoma

Key Clinical Considerations:

  • Abdominal or flank pain, hypotension, tachycardia, and signs of shock
  • CT scan or MRI showing retroperitoneal fluid collection, ultrasound findings
  • Tenderness in the abdomen or flank, signs of peritoneal irritation, decreased bowel sounds

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including trauma or anticoagulant use, imaging results, and vital signs
  • ICD-10-CM codes for retroperitoneal hematoma, specific location, and cause
  • Examples include: 'Patient presents with flank pain and CT shows retroperitoneal hematoma due to trauma.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for trauma-related codes, avoid miscoding with other hematomas
  • Common errors include using incorrect location codes or omitting cause.

Code Exclusions

Important Exclusions

  • Other types of hematomas (e.g., subdural, epidural), conditions causing similar symptoms
  • Alternative codes for abdominal pain without hematoma

Related ICD-10 Codes

Primary Codes
S36.0
Retroperitoneal hematoma
Ancillary Codes
Z79.01
Differential Codes
K66.1

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Internal Medicine

Specialty Applications

  • Trauma patients, patients on anticoagulants, post-surgical patients
  • Emergency departments, inpatient settings, outpatient follow-ups

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Document the mechanism of injury, imaging results, and clinical findings.

Billing considerations?

Ensure accurate coding to reflect the cause and severity for appropriate reimbursement.