ICD-10 Diagnosis Code A41.9

Sepsis, unspecified organism

Diagnosis Code A41.9

ICD-10: A41.9
Short Description: Sepsis, unspecified organism
Long Description: Sepsis, unspecified organism
This is the 2019 version of the ICD-10-CM diagnosis code A41.9

Valid for Submission
The code A41.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Certain infectious and parasitic diseases (A00–B99)
    • Other bacterial diseases (A30-A49)
      • Other sepsis (A41)

Information for Medical Professionals

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Acute kidney injury due to sepsis
  • Acute lung injury
  • Bacterial hemorrhagic septicemia
  • Bacterial sepsis
  • Chronic kidney disease due to systemic infection
  • Clinical infection
  • Clinical sepsis
  • Indirect acute lung injury
  • Infection following infusion, injection, transfusion AND/OR vaccination
  • Infection of blood and lymphatic system
  • Infection of bloodstream
  • Infection of intravenous catheter
  • Infection of vascular catheter
  • Neutropenic sepsis
  • Postoperative sepsis
  • Post-splenectomy sepsis
  • Pyemia
  • Right ventricular failure
  • Sepsis
  • Sepsis associated with acquired immunodeficiency syndrome
  • Sepsis associated with internal vascular access
  • Sepsis due to oral infection
  • Sepsis due to urinary tract infection
  • Sepsis following infusion, injection, transfusion AND/OR vaccination
  • Sepsis in asplenic subject
  • Sepsis in asplenic subject
  • Sepsis with cutaneous manifestations
  • Sepsis without acute organ dysfunction
  • Sepsis-associated gastrointestinal hemorrhage
  • Sepsis-associated lung injury
  • Sepsis-associated myocardial dysfunction
  • Sepsis-associated right ventricular failure
  • Sepsis-related gastritis
  • Sepsis-related gastrointestinal lesions
  • Sepsis-related gastrointestinal ulceration
  • Septic bronchitis
  • Septic splenitis
  • Septicemia associated with vascular access catheter
  • Systemic inflammatory response syndrome without organ dysfunction
  • Tracheostomy complication
  • Tracheostomy sepsis
  • Transient respiratory distress with sepsis

Index of Diseases and Injuries
References found for the code A41.9 in the Index of Diseases and Injuries:

Information for Patients


Sepsis is a serious illness. It happens when your body has an overwhelming immune response to a bacterial infection. The chemicals released into the blood to fight the infection trigger widespread inflammation. This leads to blood clots and leaky blood vessels. They cause poor blood flow, which deprives your body's organs of nutrients and oxygen. In severe cases, one or more organs fail. In the worst cases, blood pressure drops and the heart weakens, leading to septic shock.

Anyone can get sepsis, but the risk is higher in

  • People with weakened immune systems
  • Infants and children
  • The elderly
  • People with chronic illnesses, such as diabetes, AIDS, cancer, and kidney or liver disease
  • People suffering from a severe burn or physical trauma

Common symptoms of sepsis are fever, chills, rapid breathing and heart rate, rash, confusion, and disorientation. Doctors diagnose sepsis using a blood test to see if the number of white blood cells is abnormal. They also do lab tests that check for signs of infection.

People with sepsis are usually treated in hospital intensive care units. Doctors try to treat the infection, sustain the vital organs, and prevent a drop in blood pressure. Many patients receive oxygen and intravenous (IV) fluids. Other types of treatment, such as respirators or kidney dialysis, may be necessary. Sometimes, surgery is needed to clear up an infection.

NIH: National Institute of General Medical Sciences

  • Blood culture (Medical Encyclopedia)
  • Group B streptococcal septicemia of the newborn (Medical Encyclopedia)
  • Neonatal sepsis (Medical Encyclopedia)
  • Sepsis (Medical Encyclopedia)
  • Septic shock (Medical Encyclopedia)
  • Septicemia (Medical Encyclopedia)
  • Toxic shock syndrome (Medical Encyclopedia)

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