J98.5
Non-billableDiseases of mediastinum, not elsewhere classified
Diseases of mediastinum, not elsewhere classified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •smoke inhalationT59.81
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •apnea NOSR06.81
- •sleep apneaG47.3
- •abscess of mediastinumJ85.3
Use Additional Code
Additional codes that should follow this code
Child Codes (2)
Related Codes(8)
J98.0Diseases of bronchus, not elsewhere classified
J98.1Pulmonary collapse
J98.2Interstitial emphysema
J98.3Compensatory emphysema
J98.4Other disorders of lung
J98.6Disorders of diaphragm
J98.8Other specified respiratory disorders
J98.9Respiratory disorder, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for diseases of mediastinum, not elsewhere classified?
The ICD-10-CM code for diseases of mediastinum, not elsewhere classified is J98.5. The full clinical description is "Diseases of mediastinum, not elsewhere classified". J98.5 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code J98.5 mean?
ICD-10-CM code J98.5 represents “Diseases of mediastinum, not elsewhere classified”. It is classified under Chapter 10: Diseases of the Respiratory System and is a non-billable header code. Use a more specific child code for billing purposes.
Is J98.5 a billable code?
No, J98.5 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under J98.5.
What chapter is J98.5 in?
J98.5 is in Chapter 10: Diseases of the Respiratory System (codes J00-J99).
What codes cannot be used with J98.5?
J98.5 has Excludes1 notes indicating codes that cannot be used together with it, including: newborn apnea (P28.4-); newborn sleep apnea (P28.3-).
What are the subcategories under J98.5?
J98.5 has 2 child codes, including: J98.51 (Mediastinitis), J98.59 (Other diseases of mediastinum, not elsewhere classified).
Are additional codes required with J98.5?
Yes, when using J98.5, also report: code, where applicable, 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); .
What are the UMLS CUIs for J98.5?
J98.5 is linked to 1 UMLS Concept Unique Identifier: C0868845. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does J98.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like diseases of mediastinum, not elsewhere classified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of J98.5?
J98.5 maps to the ICD-11 code: CB22.Z (Disease of mediastinum, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.