ICD-10 Guide

Acute Chest Syndrome

ICD-10 Coding for Acute Chest Syndrome(D57.01, D57.211)

PRIMARY SPECIALTYEmergency Medicine

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Acute Chest Syndrome?

Acute Chest Syndrome (ACS) is a severe complication of sickle cell disease characterized by the presence of new pulmonary infiltrates and respiratory symptoms. Key clinical points include: 1) ACS can present with chest pain, cough, fever, and hypoxia; 2) It is often precipitated by infection, fat embolism, or vaso-occlusive crises; 3) Early recognition and treatment are critical to prevent respiratory failure; 4) Diagnosis is supported by imaging studies showing new infiltrates on chest X-ray. The etiology of ACS is multifactorial, often involving infection (e.g., pneumonia), vaso-occlusive events, or pulmonary fat embolism. Pathophysiologically, sickled red blood cells obstruct pulmonary vasculature, leading to ischemia and inflammation. Clinically, patients may exhibit tachypnea, wheezing, and decreased oxygen saturation. Typical use cases for this diagnosis code include emergency department visits for acute respiratory distress in patients with known sickle cell disease.

Key Clinical Considerations:

Diagnosis requires the presence of new pulmonary infiltrates on imaging along with respiratory symptoms.
Signs and symptoms include chest pain, cough, fever, tachypnea, and hypoxia.
Resolution criteria involve improvement in respiratory symptoms and stabilization of oxygen saturation.
Laboratory findings may include elevated white blood cell count, and imaging may show new infiltrates on chest X-ray.

Clinical Information

Clinical Criteria & Documentation Requirements

Documentation must include detailed clinical findings, imaging results, and treatment plans.
Compliant documentation: 'Patient diagnosed with Acute Chest Syndrome based on clinical presentation and chest X-ray findings.' Non-compliant: 'Patient has chest pain.'
Template phrases: 'Patient presents with fever and cough consistent with Acute Chest Syndrome.'
Medical necessity documentation should justify the need for imaging and treatment interventions.

Coding Guidelines

Usage Guidelines & Examples

Use D57.01 for acute chest syndrome in sickle cell disease patients presenting with respiratory symptoms.
Do NOT use this code for non-sickle cell related respiratory conditions.
Correct usage: 'Patient with sickle cell disease presents with acute chest syndrome (D57.01).' Incorrect: 'Patient with pneumonia (J18.9) and sickle cell disease.'
Common errors include misclassifying ACS as pneumonia; ensure clear documentation of sickle cell disease.

Code Exclusions

Important Exclusions

Excluded conditions include acute respiratory distress syndrome (ARDS) and pneumonia unrelated to sickle cell disease.
Alternative codes for exclusions include J18.9 for pneumonia.
Common exclusion errors involve misdiagnosing ACS as a primary respiratory infection; ensure clear documentation.
Certain conditions are excluded to maintain specificity in coding for sickle cell-related complications.

Specialty Focus

Primary Specialty

Emergency Medicine

Specialty Applications

This diagnosis applies to patients with sickle cell disease presenting with respiratory symptoms.
Appropriate in clinical scenarios involving acute respiratory distress in sickle cell patients.
Applicable in emergency settings where immediate intervention is required.
Specialty-specific considerations include the need for hematology and emergency medicine collaboration.

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

Template 1

Template: 'Acute Chest Syndrome diagnosed based on clinical findings and chest X-ray results.'

Template 2

Template: 'Patient presents with fever and cough consistent with Acute Chest Syndrome.'

Template 3

Template: 'Diagnostic criteria met: new pulmonary infiltrates observed on imaging.'

Template 4

Template: 'Treatment plan includes oxygen therapy and antibiotics for Acute Chest Syndrome.'

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

What documentation is required for this code?

Detailed documentation of clinical findings, imaging results, and treatment plans is required.

When should this code be used vs similar codes?

Use this code specifically for acute chest syndrome in sickle cell disease, not for other respiratory conditions.

What are common billing issues with this code?

Common issues include claim denials due to lack of specificity; ensure thorough documentation.

What procedures are commonly associated?

Related CPT codes may include those for chest X-rays and respiratory treatments, with medical necessity documentation required.

What is Acute Chest Syndrome?

Key Clinical Considerations:

Diagnosis requires the presence of new pulmonary infiltrates on imaging along with respiratory symptoms.
Signs and symptoms include chest pain, cough, fever, tachypnea, and hypoxia.
Resolution criteria involve improvement in respiratory symptoms and stabilization of oxygen saturation.
Laboratory findings may include elevated white blood cell count, and imaging may show new infiltrates on chest X-ray.

Acute Chest Syndrome

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?

Acute Chest Syndrome

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Template 1

Template 2

Template 3

Template 4

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

What documentation is required for this code?

When should this code be used vs similar codes?

What are common billing issues with this code?

What procedures are commonly associated?