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K22.0
ICD-10-CM
Achalasia of Esophagus

Understanding Achalasia of the Esophagus: Find information on diagnosis, symptoms, and treatment for Achalasia, also known as Cardiospasm or Esophageal Achalasia. This resource covers clinical documentation, medical coding, and healthcare best practices related to Esophageal Achalasia for physicians, coders, and other healthcare professionals. Learn about the latest in Achalasia management and explore resources for accurate medical coding and improved patient care.

Also known as

Cardiospasm
Esophageal Achalasia

Diagnosis Snapshot

Key Facts
  • Definition : Motility disorder where the lower esophageal sphincter fails to relax, causing swallowing difficulty.
  • Clinical Signs : Dysphagia (difficulty swallowing), regurgitation, chest pain, heartburn, weight loss.
  • Common Settings : Gastroenterology clinics, motility labs, surgical centers.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K22.0 Coding
K22.0

Achalasia of esophagus

Failure of the lower esophageal sphincter to relax.

K20-K31

Diseases of esophagus

Includes various esophageal disorders like reflux, strictures, and inflammation.

R10-R19

Symptoms and signs involving the digestive system and abdomen

Covers abdominal pain, nausea, vomiting, and other digestive symptoms.

K00-K95

Diseases of the digestive system

Encompasses a wide range of digestive system disorders.

Code-Specific Guidance

Decision Tree for

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

Is the diagnosis achalasia of the esophagus?

  • Yes

    Is it associated with Chagas disease?

  • No

    Do not code as achalasia. Review diagnosis.

Code Comparison

Related Codes Comparison

When to use each related code

Description
Esophagus fails to properly relax, hindering food passage.
Esophageal spasms cause intermittent chest pain and dysphagia.
Narrowing of the esophagus, often from scarring or tumor.

Documentation Best Practices

Documentation Checklist
  • Document dysphagia, regurgitation, and chest pain.
  • Confirm diagnosis with esophageal manometry.
  • Note any weight loss or nutritional deficiencies.
  • Rule out other esophageal motility disorders.
  • ICD-10-CM code: K22.0, specify type if applicable.

Coding and Audit Risks

Common Risks
  • Unspecified Achalasia

    Coding Achalasia without specifying type (e.g., vigorous, classic) can lead to claim denials and inaccurate reporting. CDI should query for specificity.

  • Cardiospasm Miscoding

    Using outdated term 'Cardiospasm' instead of 'Achalasia' can cause coding errors and affect data analysis for quality measures.

  • Rule-out Achalasia Coding

    Coding 'Rule-out Achalasia' as confirmed diagnosis is incorrect. Only code confirmed diagnoses for accurate reimbursement and reporting.

Mitigation Tips

Best Practices
  • ICD-10-CM K22.0, Esophageal manometry for accurate diagnosis.
  • Document dysphagia, regurgitation, chest pain for CDI of achalasia.
  • Consider pneumatic dilation, Heller myotomy, POEM for treatment. CPT coding guidelines apply.
  • Barium swallow, esophagoscopy aid diagnosis. Timely documentation improves healthcare compliance.
  • Monitor treatment outcomes, document response to interventions for improved patient care.

Clinical Decision Support

Checklist
  • Confirm dysphagia to solids AND liquids (ICD-10 K22.0)
  • Evaluate esophageal manometry for impaired peristalsis
  • Review barium swallow for birds beak appearance
  • Assess for absence of esophageal relaxation with LES high pressure
  • Rule out Chagas disease, malignancy, pseudoachalasia (patient safety)

Reimbursement and Quality Metrics

Impact Summary
  • Achalasia of Esophagus (Cardiospasm) reimbursement impacts medical coding, billing accuracy, and hospital revenue cycle.
  • Coding Achalasia (ICD-10 K22.0) impacts quality reporting metrics for esophageal motility disorders.
  • Accurate coding for Achalasia impacts hospital case mix index (CMI) and resource allocation.
  • Physician documentation specificity for Achalasia impacts proper coding, billing, and reimbursement.

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Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective diagnostic approaches for differentiating achalasia of the esophagus from other esophageal motility disorders like diffuse esophageal spasm or jackhammer esophagus?

A: Differentiating achalasia from other esophageal motility disorders requires a multifaceted approach. High-resolution manometry is considered the gold standard for diagnosing achalasia, revealing the characteristic absence of peristalsis and incomplete lower esophageal sphincter (LES) relaxation. It can effectively distinguish achalasia from diffuse esophageal spasm (DES), which presents with simultaneous contractions, and jackhammer esophagus (nutcracker esophagus), characterized by high-amplitude peristaltic contractions. Barium esophagram can provide supportive evidence, demonstrating a classic "bird's beak" appearance in achalasia, though it lacks the specificity of manometry. Endoscopy is crucial to exclude mechanical obstruction or pseudoachalasia, particularly in older patients where malignancy is a concern. Consider implementing a combination of these diagnostic modalities for a comprehensive evaluation and accurate diagnosis. Explore how esophageal impedance testing can provide additional insights into bolus transit and further refine the diagnosis in complex cases.

Q: Current treatment guidelines for achalasia prioritize reducing lower esophageal sphincter (LES) pressure to improve esophageal emptying and alleviate symptoms like dysphagia, regurgitation, and chest pain. The primary treatment options include pneumatic dilation (PD), laparoscopic Heller myotomy (LHM), and peroral endoscopic myotomy (POEM). PD involves inflating a balloon to disrupt the LES muscle fibers, offering a less invasive approach, but with a higher risk of perforation and recurrence. LHM involves surgically cutting the LES muscle, providing excellent long-term relief but carrying the risks associated with surgery. POEM is a minimally invasive endoscopic procedure that creates a myotomy within the esophageal wall, offering similar efficacy to LHM with potentially faster recovery. Medical management with nitrates or calcium channel blockers can provide temporary symptom relief but is not a long-term solution. The optimal treatment choice depends on individual patient factors, including age, overall health, and preferences. Learn more about the comparative effectiveness of these treatments and their long-term outcomes to personalize management strategies.

A:

Quick Tips

Practical Coding Tips
  • Code K22.0 for Achalasia
  • ICD-10-CM K22.0
  • Document dysphagia, regurgitation
  • Check for manometry findings
  • Consider POEM/Heller Myotomy codes

Documentation Templates

Patient presents with symptoms suggestive of achalasia of the esophagus, including dysphagia (difficulty swallowing), regurgitation of undigested food, chest pain, and heartburn.  The patient reports progressive worsening of dysphagia, initially with solids and now with liquids.  Weight loss has also been noted.  Differential diagnosis includes esophageal stricture, esophageal cancer, and diffuse esophageal spasm.  To evaluate for achalasia, an esophagram (barium swallow) was ordered, revealing characteristic bird-beak narrowing at the gastroesophageal junction.  Esophageal manometry demonstrated absent esophageal peristalsis and incomplete lower esophageal sphincter (LES) relaxation, confirming the diagnosis of achalasia.  Treatment options including pneumatic dilation, laparoscopic Heller myotomy, and peroral endoscopic myotomy (POEM) were discussed with the patient.  Risks and benefits of each procedure were explained, and the patient elected to proceed with pneumatic dilation as the initial treatment approach.  Patient education regarding achalasia management, including dietary modifications and follow-up care, was provided.  ICD-10 code K22.0 (Achalasia of cardia) was assigned.  CPT codes for the diagnostic and therapeutic procedures will be documented upon completion.  The patient will be scheduled for follow-up evaluation to assess treatment efficacy and symptom resolution.  Further management will be determined based on the patient's response to the initial intervention.
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