R84
Header — not billableAbnormal findings in specimens from respiratory organs and thorax
The ICD-10 code for abnormal findings in specimens from respiratory organs and thorax is R84.
R84 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
- blood-stained sputum (R04.2)
Includes
Terms listed here further define or give examples of the conditions grouped under this code — they describe what the code covers, not a separate diagnosis.
- abnormal findings in bronchial washings
- abnormal findings in nasal secretions
- abnormal findings in pleural fluid
- abnormal findings in sputum
- abnormal findings in throat scrapings
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.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under R84
- R84.0Abnormal level of enzymes in specimens from respiratory organs and thorax
- R84.1Abnormal level of hormones in specimens from respiratory organs and thorax
- R84.2Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thorax
- R84.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thorax
- R84.4Abnormal immunological findings in specimens from respiratory organs and thorax
- R84.5Abnormal microbiological findings in specimens from respiratory organs and thorax
- R84.6Abnormal cytological findings in specimens from respiratory organs and thorax
- R84.7Abnormal histological findings in specimens from respiratory organs and thorax
- R84.8Other abnormal findings in specimens from respiratory organs and thorax
- R84.9Unspecified abnormal finding in specimens from respiratory organs and thorax
Related codes in this category
- R83Abnormal findings in cerebrospinal fluidnon-billable header
- R85Abnormal findings in specimens from digestive organs and abdominal cavitynon-billable header
- R86Abnormal findings in specimens from male genital organsnon-billable header
- R87Abnormal findings in specimens from female genital organsnon-billable header
- R88Abnormal findings in other body fluids and substancesnon-billable header
- R89Abnormal findings in specimens from other organs, systems and tissuesnon-billable header
- R84Abnormal findings in specimens from respiratory organs and thoraxnon-billable header