ICD10BillableValid for clinical use

ICD-10 Code J70.9: Respiratory conditions due to unspecified external agent

J70.9 is a billable ICD-10 diagnosis code used to classify Respiratory conditions due to unspecified external agent 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 respiratory system (J00-J99).

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 respiratory system (J00-J99).

When is it used?

  • May be used when a clinician documents respiratory conditions due to unspecified external agent 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
10Diseases of the respiratory system (J00-J99)
block
J60-J70Lung diseases due to external agents
category
J70Respiratory conditions due to other external agents
currentJ70

Official coding notes

Applicable to
  • (T51-T65) to identify the external agent
Code first
  • (T51-T65) to identify the external agent

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

PulmonologistGeneral Physician

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
J70.9

Common synonyms

Respiratory conditions due to unspecified external agentRespiratory conditions due to external agent

Frequently asked questions

Code details

CodeJ70.9
SystemICD10
Display nameRespiratory conditions due to unspecified external agent
ChapterDiseases of the respiratory system (J00-J99)
BlockLung diseases due to external agents

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Disease, diseasedDisease, diseasedDisease, diseasedEdema, edematous(infectious) (pitting) (toxic)Edema, edematous(infectious) (pitting) (toxic)

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 J70.9 for Respiratory conditions due to unspecified external agent | HealthAssure