All ICD10 Codes

R84

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Abnormal findings in specimens from respiratory organs and thorax

Use a more specific code (10 billable)
R84.0Abnormal level of enzymes in specimens from respiratory organs and thoraxR84.1Abnormal level of hormones in specimens from respiratory organs and thoraxR84.2Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thoraxR84.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thoraxR84.4Abnormal immunological findings in specimens from respiratory organs and thoraxR84.5Abnormal microbiological findings in specimens from respiratory organs and thoraxR84.6Abnormal cytological findings in specimens from respiratory organs and thoraxR84.7Abnormal histological findings in specimens from respiratory organs and thoraxR84.8Other abnormal findings in specimens from respiratory organs and thoraxR84.9Unspecified abnormal finding in specimens from respiratory organs and thorax
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

R83-R89 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • abnormal findings on antenatal screening of mother (O28.-)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Excludes2(Not included here. Code separately if applicable.)
  • abnormal findings on examination of blood, without diagnosis (R70-R79)
  • abnormal findings on examination of urine, without diagnosis (R80-R82)
  • abnormal tumor markers (R97.-)

Instructional Notes

Includes
  • abnormal findings in bronchial washings
  • abnormal findings in nasal secretions
  • abnormal findings in pleural fluid
  • abnormal findings in sputum
  • abnormal findings in throat scrapings
Excludes1(Not coded here. Use a different code.)
  • blood-stained sputum (R04.2)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R83-R89Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
R84Abnormal findings in specimens from respiratory organs and thoraxNot billable
R84.0Abnormal level of enzymes in specimens from respiratory organs and thoraxBillable
R84.1Abnormal level of hormones in specimens from respiratory organs and thoraxBillable
R84.2Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thoraxBillable
R84.3Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thoraxBillable
R84.4Abnormal immunological findings in specimens from respiratory organs and thoraxBillable
R84.5Abnormal microbiological findings in specimens from respiratory organs and thoraxBillable
R84.6Abnormal cytological findings in specimens from respiratory organs and thoraxBillable
R84.7Abnormal histological findings in specimens from respiratory organs and thoraxBillable
R84.8Other abnormal findings in specimens from respiratory organs and thoraxBillable
R84.9Unspecified abnormal finding in specimens from respiratory organs and thoraxBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R84:

blockR83-R89
Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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