J98.59 – Other diseases of mediastinum, not elsewhere classified

ICD-10-CM 2027 diagnosis code · Other diseases of the respiratory system

Billable code

ICD-10-CM code J98.59
Code
J98.59 (claims format: J9859)
Description
Other diseases of mediastinum, not elsewhere classified
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
J96-J99 Other diseases of the respiratory system
Parent codes
J98 › J98.5

Notes for J98.59

Applicable to:
  • Fibrosis of mediastinum
  • Hernia of mediastinum
  • Retraction of mediastinum

Notes inherited from parent codes

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

J98 – Other respiratory disorders

Excludes1 (not coded here):
  • newborn apnea (P28.4-)
  • newborn sleep apnea (P28.3-)
Excludes2 (not included here):
Use additional code:
  • code to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

J98.5 – Diseases of mediastinum, not elsewhere classified

Excludes2 (not included here):
  • abscess of mediastinum (J85.3)

Index terms for J98.59

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

Related codes in J98.5

Frequently asked questions

What is ICD-10 code J98.59?

J98.59 is the ICD-10-CM code for other diseases of mediastinum, not elsewhere classified, in the block J96-J99 (Other diseases of the respiratory system).

Is J98.59 a billable code?

Yes. J98.59 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J98.59 belong to?

It belongs to category J98 – Other respiratory disorders.

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.