Facebook tracking pixel
J45.901
ICD-10-CM
Acute Asthma

Find information on Acute Asthma, also known as an Asthma Attack or Acute Asthmatic Episode. This resource covers clinical documentation, medical coding, healthcare guidelines, and best practices for diagnosing and managing acute asthma exacerbations. Learn about symptoms, treatment, and prevention strategies for improved patient care. This information is relevant for healthcare professionals, including physicians, nurses, and medical coders seeking accurate and reliable resources.

Also known as

Asthma Attack
Acute Asthmatic Episode

Diagnosis Snapshot

Key Facts
  • Definition : A sudden worsening of asthma symptoms like wheezing, coughing, and shortness of breath.
  • Clinical Signs : Rapid breathing, chest tightness, difficulty speaking, blue lips or nails.
  • Common Settings : Emergency rooms, urgent care clinics, doctor's offices, sometimes at home.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC J45.901 Coding
J45-J46

Asthma and status asthmaticus

Covers various types of asthma, including acute exacerbations.

J40-J47

Chronic lower respiratory diseases

Includes asthma alongside other chronic respiratory conditions.

J96

Respiratory failure, not elsewhere classified

Relevant if acute asthma leads to severe respiratory compromise.

Code-Specific Guidance

Decision Tree for

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

Is the asthma attack with status asthmaticus?

  • Yes

    Code J46.21, Status asthmaticus

  • No

    Is there acute exacerbation of asthma?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Sudden worsening of asthma symptoms.
Long-term, chronic inflammatory airway disease.
Asthma triggered by exercise or physical activity.

Documentation Best Practices

Documentation Checklist
  • Document severity: mild, moderate, or severe.
  • Record peak expiratory flow (PEF) or FEV1 values.
  • Detail symptoms: wheezing, cough, dyspnea, chest tightness.
  • Note triggers if known: allergens, exercise, infections.
  • List medications administered and patient response.

Coding and Audit Risks

Common Risks
  • Specificity of Asthma Code

    Risk of using a generic asthma code (e.g., J45.909) instead of a code specifying acuity (e.g., J45.901 for acute exacerbation), impacting reimbursement and data accuracy. Keywords: Medical coding, ICD-10-CM, J45.901, J45.909, asthma attack, acute asthma, CDI, healthcare compliance

  • Comorbidity Documentation

    Insufficient documentation of comorbidities (e.g., allergies, infections) contributing to the acute asthma episode, leading to undercoding and inaccurate severity reflection. Keywords: CDI, medical coding audits, risk adjustment, comorbid conditions, asthma exacerbation, healthcare compliance

  • Status Asthmaticus Overlooked

    Failure to identify and code status asthmaticus (J46), a severe form of acute asthma, if present, resulting in significant underpayment and quality of care concerns. Keywords: J46, status asthmaticus, severe asthma, respiratory failure, medical coding errors, CDI, healthcare compliance

Mitigation Tips

Best Practices
  • Document asthma severity & triggers (ICD-10-CM J45.909, J46)
  • Administer SABA albuterol, assess response, document (CPT 94640)
  • Oxygen saturation monitoring, supplemental O2 if needed (CPT 94760)
  • Corticosteroids early reduces inflammation (CPT J1100)
  • Monitor peak flow, educate patient on asthma action plan

Clinical Decision Support

Checklist
  • Verify wheezing, shortness of breath, cough, chest tightness documented (ICD-10 J45.909)
  • Confirm symptom onset, severity, triggers, peak flow documented for accurate coding (SNOMED CT 78669002)
  • Review prior asthma diagnoses, medications, action plan for patient safety (RxNorm 747939)
  • Check oxygen saturation, lung function tests for severity assessment (LOINC 2703-7)
  • Assess for respiratory distress, cyanosis, altered mental status for escalation of care (ICD-10 J96.00)

Reimbursement and Quality Metrics

Impact Summary
  • Acute Asthma (A) reimbursement hinges on accurate ICD-10-CM coding (J45.901, J45.909, J46) and proper documentation of severity.
  • Quality metrics for Acute Asthma (Asthma Attack) track ED visits, hospital readmissions, and proper medication use (albuterol, corticosteroids).
  • Coding validation and physician query processes improve claim acceptance rates and minimize denials for Acute Asthmatic Episode.
  • Hospital reporting on asthma severity indexes impacts quality scores and potential value-based payment adjustments.

Streamline Your Medical Coding

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

Frequently Asked Questions

Common Questions and Answers

Q: What are the key clinical indicators for differentiating acute asthma exacerbation from other respiratory distress presentations in adults?

A: Differentiating acute asthma exacerbation from other causes of respiratory distress like COPD exacerbation, heart failure, or pulmonary embolism requires a careful assessment of clinical indicators. While all may present with dyspnea and wheezing, acute asthma often features a more pronounced expiratory wheeze, a history of atopy or allergies, and a positive response to bronchodilators. Consider factors like reversibility of airflow obstruction with bronchodilator treatment, the presence of pulsus paradoxus (a drop in systolic blood pressure during inspiration), and peak expiratory flow rate (PEFR) measurements. Explore how incorporating bedside lung ultrasound can aid in rapid differentiation and guide management decisions. Also, note the absence of signs like jugular venous distension or unilateral leg swelling, which may suggest alternative diagnoses. Learn more about the utility of arterial blood gas analysis in assessing the severity of respiratory compromise and guiding oxygen therapy.

Q: How do current evidence-based guidelines recommend managing severe acute asthma in hospitalized patients, particularly regarding the use of non-invasive ventilation and systemic corticosteroids?

A: Current guidelines for managing severe acute asthma in hospitalized patients emphasize early intervention with systemic corticosteroids, such as intravenous methylprednisolone, alongside inhaled bronchodilators. In cases of severe airflow obstruction unresponsive to initial therapy, non-invasive ventilation (NIV), particularly continuous positive airway pressure (CPAP) or bilevel positive airway pressure (BiPAP), can be considered to improve oxygenation and reduce work of breathing. However, careful monitoring for respiratory fatigue and potential need for intubation is crucial when using NIV. Consider implementing objective measures like PEFR, oxygen saturation, and arterial blood gas analysis to monitor treatment response and adjust management accordingly. Explore the latest research on the role of magnesium sulfate in severe asthma exacerbations and the potential benefits of adding inhaled anticholinergics to the treatment regimen.

Quick Tips

Practical Coding Tips
  • Code J45.901 for Acute Asthma
  • Document severity & triggers
  • Query physician if unclear
  • Check for status asthmaticus
  • Consider comorbidities like COPD

Documentation Templates

Patient presents with an acute asthma exacerbation, also known as an asthma attack or acute asthmatic episode.  Symptoms onset began approximately [timeframe] prior to presentation and include [list symptoms e.g., wheezing, shortness of breath, cough, chest tightness].  Patient reports [triggers e.g., exposure to allergens, exercise, respiratory infection].  Medical history significant for [relevant history e.g., asthma diagnosed at age [age], history of intubations, prior hospitalizations for asthma, current medications including dose and frequency].  Physical examination reveals [objective findings e.g., tachypnea, use of accessory muscles, decreased breath sounds, expiratory wheezing].  Pulmonary function testing, if performed, shows [results e.g., decreased FEV1, reduced peak expiratory flow rate].  Severity of exacerbation is assessed as [mild, moderate, or severe] based on clinical presentation and lung function.  Differential diagnosis includes bronchiolitis, COPD exacerbation, pneumonia, and upper airway obstruction.  Treatment initiated with [medications, dosages, and routes e.g., albuterol nebulizer treatments, systemic corticosteroids, supplemental oxygen].  Patient response to treatment documented as [describe response e.g., improved breath sounds, decreased wheezing, improved oxygen saturation].  Patient education provided regarding asthma management, trigger avoidance, and proper inhaler technique.  Follow-up care arranged with [referrals e.g., primary care physician, pulmonologist].  Discharge instructions provided including medication reconciliation and action plan for future exacerbations.  ICD-10 code J45.90 (Asthma, unspecified) or J45.21 (Mild intermittent asthma with (acute) exacerbation), if applicable, is considered for this encounter, along with relevant procedure codes for treatments administered.  The medical necessity for services rendered is documented and supports the level of care provided.
Acute Asthma - AI-Powered ICD-10 Documentation