Diagnosis Code: I27.21

Short Description: Secondary pulmonary arterial hypertension

Long Description: Secondary pulmonary arterial hypertension

The code I27.21 is VALID for claim submission

Code Classification:

• Diseases of the circulatory system (I00–I99)
  • Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)
    • Other pulmonary heart diseases (I27)
      • I27.21 Secondary pulmonary arterial hypertension

Code Version: 2022 ICD-10-CM

Synonyms

• Associated pulmonary arterial hypertension
• Associated pulmonary arterial hypertension
• Associated pulmonary arterial hypertension
• Associated pulmonary arterial hypertension
• Associated pulmonary arterial hypertension
• Associated pulmonary arterial hypertension
• Associated pulmonary arterial hypertension
• Pulmonary arterial hypertension associated with chronic hemolytic anemia
• Pulmonary arterial hypertension associated with congenital heart disease
• Pulmonary arterial hypertension associated with congenital heart disease
• Pulmonary arterial hypertension associated with congenital systemic-to-pulmonary shunt
• Pulmonary arterial hypertension associated with connective tissue disease
• Pulmonary arterial hypertension associated with HIV infection
• Pulmonary arterial hypertension associated with schistosomiasis
• Pulmonary arterial hypertension induced by drug
• Pulmonary arterial hypertension induced by toxin
• Pulmonary hypertension due to familial pulmonary capillary hemangiomatosis
• Pulmonary hypertension due to pulmonary capillary hemangiomatosis
• Pulmonary hypertension due to pulmonary veno-occlusive disease
• Secondary pulmonary hypertension
• Small vessel pulmonary hypertension
• Small vessel pulmonary hypertension
• Solitary pulmonary hypertension
• Solitary pulmonary hypertension

Diagnostic Related Group(s)

The code I27.21 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Other Circulatory System Diagnoses With Mcc (314)
• Other Circulatory System Diagnoses With Cc (315)
• Other Circulatory System Diagnoses Without Cc/mcc (316)

References to Index of Diseases and Injuries

The code I27.21 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • (Associated) (drug-induced) (toxin-induced) pulmonary arterial hypertension NOS
  • (Associated) (drug-induced) (toxin-induced) (secondary) group 1 pulmonary hypertension
• Code Also:
  • associated conditions if applicable, or adverse effects of drugs or toxins, such as:
  • adverse effect of appetite depressants (@T50.5X5*)
  • congenital heart disease (@Q20*-@Q28*)
  • human immunodeficiency virus [HIV] disease (@B20*)
  • polymyositis (@M33.2*-)
  • portal hypertension (@K76.6*)
  • rheumatoid arthritis (@M05*.-)
  • schistosomiasis (@B65*.-)
  • Sjögren syndrome (@M35.0*-)
  • systemic sclerosis (@M34*.-)

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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