ICD10BillableValid for clinical use

ICD-10 Code I28.8: Other diseases of pulmonary vessels

I28.8 is a billable ICD-10 diagnosis code used to classify Other diseases of pulmonary vessels in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).

When is it used?

  • May be used when a clinician documents other diseases of pulmonary vessels in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
9Diseases of the circulatory system (I00-I99)
block
I26-I28Pulmonary heart disease and diseases of pulmonary circulation
category
I28Other diseases of pulmonary vessels
currentI28

Official coding notes

Inclusion terms
  • Pulmonary arteritis
  • Pulmonary endarteritis
  • Rupture of pulmonary vessels
  • Stenosis of pulmonary vessels
  • Stricture of pulmonary vessels

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

CardiologistGeneral Physician

Coverage-related procedures and services

CPT 94642high
AEROSOL INHALATION OF PENTAMIDINE FOR PNEUMOCYSTIS CARINII PNEUMONIA TREATMENT OR PROPHYLAXIS
Source: CMS coverage guidance
CPT 94728high
AIRWAY RESISTANCE BY OSCILLOMETRY
Source: CMS coverage guidance
CPT 94450high
BREATHING RESPONSE TO HYPOXIA (HYPOXIA RESPONSE CURVE)
Source: CMS coverage guidance
CPT 94060high
BRONCHODILATION RESPONSIVENESS, SPIROMETRY AS IN 94010, PRE- AND POST-BRONCHODILATOR ADMINISTRATION
Source: CMS coverage guidance
CPT 94070high
BRONCHOSPASM PROVOCATION EVALUATION, MULTIPLE SPIROMETRIC DETERMINATIONS AS IN 94010, WITH ADMINISTERED AGENTS (EG, ANTIGEN[S], COLD AIR, METHACHOLINE)
Source: CMS coverage guidance
CPT 93598high
CARDIAC OUTPUT MEASUREMENT(S), THERMODILUTION OR OTHER INDICATOR DILUTION METHOD, PERFORMED DURING CARDIAC CATHETERIZATION FOR THE EVALUATION OF CONGENITAL HEART DEFECTS (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
I28.8

Common synonyms

Other diseases of pulmonary vessels

Frequently asked questions

Code details

CodeI28.8
SystemICD10
Display nameOther diseases of pulmonary vessels
ChapterDiseases of the circulatory system (I00-I99)
BlockPulmonary heart disease and diseases of pulmonary circulation

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
ArteritisDilatationEndarteritis(bacterial, subacute) (infective)Endarteritis(bacterial, subacute) (infective)Rupture, rupturedRupture, rupturedRupture, rupturedRupture, rupturedRupture, rupturedStenosis, stenotic(cicatricial)Stenosis, stenotic(cicatricial)Stenosis, stenotic(cicatricial)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code I28.8 for Other diseases of pulmonary vessels | HealthAssure