J45.9
Header — not billableOther and unspecified asthma
The ICD-10 code for other and unspecified asthma is J45.9.
J45.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under J45.9
Related codes in this category
- J45.2Mild intermittent asthmanon-billable header
- J45.3Mild persistent asthmanon-billable header
- J45.4Moderate persistent asthmanon-billable header
- J45.5Severe persistent asthmanon-billable header
- J45.9Other and unspecified asthmanon-billable header