J63.4 – Siderosis

ICD-10-CM 2027 diagnosis code · Lung diseases due to external agents

Billable code

ICD-10-CM code J63.4
Code
J63.4 (claims format: J634)
Description
Siderosis
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
10. Diseases of the respiratory system (J00-J99)
Block
J60-J70 Lung diseases due to external agents
Parent codes
J63

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

J63 – Pneumoconiosis due to other inorganic dusts

Excludes1 (not coded here):
  • pneumoconiosis with tuberculosis, any type in A15 (J65)

Block J60-J70

Excludes2 (not included here):
  • asthma (J45.-)
  • malignant neoplasm of bronchus and lung (C34.-)

Index terms for J63.4

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in J63

Frequently asked questions

What is ICD-10 code J63.4?

J63.4 is the ICD-10-CM code for siderosis, in the block J60-J70 (Lung diseases due to external agents).

Is J63.4 a billable code?

Yes. J63.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J63.4 belong to?

It belongs to category J63 – Pneumoconiosis due to other inorganic dusts.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.