U.S. ICD-10-CM · FY 2027

R84 ICD-10-CM Code: Abnormal findings in specimens from respiratory organs and thorax

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

R84

Abnormal findings in specimens from respiratory organs and thorax

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where R84 sits

  1. 1

    Chapter 18

    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

  2. 2

    Section

    Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)

  3. 3

    Category R84

    Abnormal findings in specimens from respiratory organs and thorax

  4. 4

    Code R84

    Abnormal findings in specimens from respiratory organs and thorax

More specific choices

Codes under R84

R84 is a non-billable category. Choose the child code that best matches the documented diagnosis.

R84.0

Abnormal level of enzymes in specimens from respiratory organs and thorax

R84.1

Abnormal level of hormones in specimens from respiratory organs and thorax

R84.2

Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thorax

R84.3

Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thorax

R84.4

Abnormal immunological findings in specimens from respiratory organs and thorax

R84.5

Abnormal microbiological findings in specimens from respiratory organs and thorax

R84.6

Abnormal cytological findings in specimens from respiratory organs and thorax

R84.7

Abnormal histological findings in specimens from respiratory organs and thorax

R84.8

Other abnormal findings in specimens from respiratory organs and thorax

R84.9

Unspecified abnormal finding in specimens from respiratory organs and thorax

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for R84.

Code first

No “code first” instruction is listed for R84.

Use additional code

No “use additional code” instruction is listed for R84.

Excludes1

Conditions that should not be reported together with this code.

  • blood-stained sputum (R04.2)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for R84.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code R84 mean?

R84 is the FY 2027 U.S. ICD-10-CM code for “Abnormal findings in specimens from respiratory organs and thorax.”

Is R84 a billable or specific ICD-10-CM code?

No. R84 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is R84 located in ICD-10-CM?

R84 is listed in Chapter 18, Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), within Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89) (R83–R89), under category R84, Abnormal findings in specimens from respiratory organs and thorax.

What coding notes are listed for R84?

No inclusion terms are listed for R84 in this reference record. No code-first instruction is listed. Excludes1 notes: blood-stained sputum (R04.2). No Excludes2 note is listed.

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