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K44.9
ICD-10-CM
Paraesophageal Hernia

Find comprehensive information on paraesophageal hernia diagnosis, including clinical documentation, medical coding, ICD-10 codes (K44.9), CPT codes for surgical repair, symptoms, treatment options, and management. Learn about hiatal hernia types, including type II, III, and IV hernias, and explore resources for healthcare professionals, including coding guidelines and best practices for accurate documentation. Understand the difference between sliding hiatal hernia and paraesophageal hernia. This resource provides valuable insights for physicians, coders, and other healthcare providers involved in the diagnosis and care of patients with a paraesophageal hernia.

Also known as

Hiatal Hernia Type II
Rolling Hernia

Diagnosis Snapshot

Key Facts
  • Definition : Stomach protrudes through diaphragm alongside esophagus.
  • Clinical Signs : Heartburn, chest pain, regurgitation, difficulty swallowing, vomiting.
  • Common Settings : Outpatient clinic, endoscopy suite, surgical center.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K44.9 Coding
K44

Diaphragmatic hernia

Covers all types of diaphragmatic hernias, including paraesophageal.

K44.9

Diaphragmatic hernia, unspecified

Used for paraesophageal hernias when a more specific code isn't available.

K44.0-K44.2

Hiatal Hernia

While related, these are distinct from, but may occur with, paraesophageal hernia.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the paraesophageal hernia sliding?

  • Yes

    Code K44.9 Diaphragmatic hernia without obstruction or gangrene

  • No

    Is there obstruction?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Paraesophageal Hernia
Sliding Hiatal Hernia
Mixed Hiatal Hernia

Documentation Best Practices

Documentation Checklist
  • Paraesophageal hernia ICD-10 code K44.9 documented
  • Hiatal hernia type: PEH specified
  • GE junction location above diaphragm confirmed
  • Stomach herniation degree noted (Type II, III, IV)
  • Symptoms, e.g., dysphagia, reflux, documented

Coding and Audit Risks

Common Risks
  • Code Specificity

    Using unspecified codes (e.g., K44.9) when documentation supports a more specific type like Type II, III, or IV paraesophageal hernia.

  • Symptom Coding

    Coding symptoms (e.g., heartburn, dysphagia) separately when they are integral to the paraesophageal hernia diagnosis.

  • Complication Miscoding

    Incorrectly coding complications (e.g., obstruction, gangrene) as separate diagnoses when they are inherent to the hernia itself.

Mitigation Tips

Best Practices
  • ICD-10 K44.9, CPT 43246: Doc esophageal displacement, not just hiatal.
  • CDI Query: Type/size? Reflux/obstruction? Precise location crucial.
  • HCC coding: Link PEH to complications for accurate risk adjustment.
  • Compliance: Pre-op diagnosis aligns medical necessity with surgery.
  • Thorough HPI: Symptoms like dysphagia, chest pain guide coding.

Clinical Decision Support

Checklist
  • Confirm upper GI symptoms: heartburn, regurgitation, dysphagia
  • Verify imaging: barium swallow, upper endoscopy, CT scan
  • Assess hernia type sliding vs paraesophageal
  • Evaluate complications: obstruction, strangulation, bleeding
  • Document surgical indications: size, symptoms, complications

Reimbursement and Quality Metrics

Impact Summary
  • Paraesophageal Hernia Reimbursement: ICD-10-CM K44.9, CPT 43246 (laparoscopic repair), impacting DRG and APC assignment.
  • Coding accuracy crucial: Proper documentation of hernia type (Type II, III, IV) affects reimbursement and quality metrics.
  • Hospital reporting: Accurate coding impacts quality indicators related to surgical complications, length of stay, and readmissions.
  • Timely filing and accurate coding maximize reimbursement and minimize denials for paraesophageal hernia repair.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Code hiatal hernia K44.9
  • Specify hernia type, size
  • Document symptoms, anatomy
  • Review op report for details
  • Consider Nissen fundoplication code

Documentation Templates

Patient presents with complaints consistent with paraesophageal hernia, including symptoms of heartburn, regurgitation, dysphagia, chest pain, and shortness of breath.  The patient reports postprandial fullness and occasional nocturnal cough.  Physical examination revealed mild epigastric tenderness without rebound.  Auscultation of the lungs and heart were unremarkable.  Review of systems was otherwise negative.  Differential diagnosis includes gastroesophageal reflux disease (GERD), hiatal hernia, esophageal spasm, and angina.  An upper gastrointestinal (GI) series with barium swallow was ordered to evaluate for anatomical abnormalities and confirm the diagnosis of paraesophageal hernia, specifically evaluating for herniation of the gastric fundus alongside the esophagus through the esophageal hiatus.  The patient's medical history includes hypertension, managed with lisinopril.  Surgical consultation was requested to discuss the potential need for paraesophageal hernia repair, considering the patient's symptoms and the risk of complications such as gastric volvulus and strangulation.  Patient education provided regarding lifestyle modifications, including dietary adjustments and weight management, to alleviate symptoms.  Current Procedural Terminology (CPT) codes and International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes for paraesophageal hernia diagnosis and management were reviewed and will be documented appropriately for billing and coding purposes.  Follow-up scheduled in two weeks to discuss surgical options and monitor symptom progression.  The patient was instructed to return to the clinic sooner if symptoms worsen or new symptoms develop.