I27.82 Chronic pulmonary embolism

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• personal history of pulmonary embolism (Z86.711)

Use additional code

• code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 267 — Deep Vein Thrombosis and Pulmonary Embolism
• CMS-HCC V22: HCC 107 — Vascular Disease with Complications
• RxHCC V08: HCC 184 — Pulmonary Hypertension, Except Arterial, and Other Pulmonary Heart Disease
• ESRD V24: HCC 107

MS-DRG index

Defines the logic of DRG(s) 173 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 416.2 Chronic pulmonary embolism

Code annotations containing back-references to I27.82

Back-references to I27.82

• Type 2 Excludes: I26 Pulmonary embolism ("chronic pulmonary embolism (I27.82)")
• Code Also: I27.24 Chronic thromboembolic pulmonary hypertension ("associated pulmonary embolism, if applicable (I26.-, I27.82)")

Diagnosis Index entries for I27.82

• Cor › pulmonale › chronic › with chronic pulmonary embolism
• Embolism (multiple) (paradoxical) › pulmonary (acute) (artery) (vein) › chronic

Nearby codes

• I27.23 Pulmonary hypertension due to lung diseases and hypoxia
• I27.24 Chronic thromboembolic pulmonary hypertension
• I27.29 Other secondary pulmonary hypertension
• I27.8 Other specified pulmonary heart diseases
• I27.81 Cor pulmonale (chronic)
• I27.82 Chronic pulmonary embolism (this code)
• I27.83 Eisenmenger's syndrome
• I27.84 Fontan related circulation
• I27.840 Fontan-associated liver disease [FALD]
• I27.841 Fontan-associated lymphatic dysfunction
• I27.848 Other Fontan-associated condition