2025 ICD-10-CM Diagnosis Code I26.99

Other pulmonary embolism without acute cor pulmonale

  • I26.99 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2025 edition of ICD-10-CM I26.99 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of I26.99 – other international versions of ICD-10 I26.99 may differ.

Applicable To

  • Acute pulmonary embolism NOS
  • Other thrombotic pulmonary embolism without acute cor pulmonale
  • Pulmonary embolism NOS

The following code(s) above I26.99 contain annotation back-references

 that may be applicable to I26.99:

  • I00-I99  Diseases of the circulatory system
  • I26  Pulmonary embolism

Approximate Synonyms

  • Acute pulmonary embolism
  • Iatrogenic pulmonary embolism with infarction
  • Infarction of lung due to iatrogenic pulmonary embolism
  • Pulmonary embolism
  • Pulmonary embolism (blood clot in lung)
  • Pulmonary embolism and infarction, iatrogenic
  • Pulmonary embolism with infarction
  • Pulmonary embolism with pulmonary infarction

Clinical Information

  • A pulmonary embolism is a sudden blockage in a lung artery. The cause is usually a blood clot in the leg called a deep vein thrombosis that breaks loose and travels through the bloodstream to the lung. Pulmonary embolism is a serious condition that can cause
    • permanent damage to the affected lung
    • low oxygen levels in your blood
    • damage to other organs in your body from not getting enough oxygen
    if a clot is large, or if there are many clots, pulmonary embolism can cause death. Half the people who have pulmonary embolism have no symptoms. If you do have symptoms, they can include shortness of breath, chest pain or coughing up blood. Symptoms of a blood clot include warmth, swelling, pain, tenderness and redness of the leg. The goal of treatment is to break up clots and help keep other clots from forming.
  • Blocking of the pulmonary artery or one of its branches by an embolus.
  • The closure of the pulmonary artery or one of its branches by an embolus, sometimes associated with infarction of the lung.
  • The obstruction of the pulmonary artery or one of its branches by an embolus, sometimes associated with infarction of the lung.

ICD-10-CM I26.99 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 173 Ultrasound accelerated and other thrombolysis with principal diagnosis pulmonary embolism
  • 175 Pulmonary embolism with mcc or acute cor pulmonale
  • 176 Pulmonary embolism without mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Convert I26.99 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Diagnosis Index entries containing back-references to I26.99:

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