R05 ICD-10-CM Code: Cough
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Coding at a Glance
- Tabular directives
- 2 Excludes1 · 1 Excludes2
Coding instructions
Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for R05 in the official ICD-10-CM tabular list, quoted as published.
Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2026Effective: October 1, 2025
Excludes1 — Not Coded Here
Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
- paroxysmal cough due to Bordetella pertussis (A37.0-) Compare R05 vs A37.0 →
- smoker's cough (J41.0) Compare R05 vs J41.0 →
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- cough with hemorrhage (R04.2) Compare R05 vs R04.2 →
Coder workflow for R05
MedCoder structured workflow — derived from this code’s own official record
Before you code R05
- R05 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).
ReviewR05.1, R05.2, R05.3, R05.4, R05.8, R05.9
See the relationships section · Guide: How to choose an ICD-10-CM code →
- Check whether an established diagnosis that explains this sign or symptom is documented. If one is, review whether the documented diagnosis changes the coding pathway: a symptom that is integral to a confirmed diagnosis is not reported separately, while one not routinely associated with it may be. Signs and symptoms are reported when no definitive diagnosis is established (Guidelines I.B.4, I.B.5, I.B.6, I.C.18.b).
- Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with R05. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).
Choose the right path
- Does the documentation support one of the more specific codes beneath R05?
Yes → Select that code and continue the checks below on its own page.
No → R05 cannot be reported as written; query for the specificity its subcategory needs. - Is an established diagnosis that explains this sign or symptom documented?
Yes → Review whether the documented diagnosis changes the coding pathway: a symptom integral to it is not reported separately.
No → Continue — the sign or symptom code stands when no definitive diagnosis is established. - Does the documentation support a condition named in R05’s Excludes1 note?
Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
No → Continue.
Consider R05. Then confirm the code is valid for the date of service in the Verify section.
Documentation check
- The provider’s diagnostic statement
- Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
Official instructions as workflow
Excludes1 — check before selecting R05(2 notes)
Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with R05: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.
See the official tabular notes · Guidelines I.A.12.a
Excludes2 — not part of R05(1 note)
Coding workflow: The conditions named in this note are not included in R05. When the record documents both, both may be reported; the note is a boundary, not a prohibition.
CompareR04.2
See the official tabular notes · Guidelines I.A.12.b
Coding decision scenarios
Pattern scenarios for this code’s structure — decision rules, not clinical cases
Documentation: The sign or symptom is documented, and the same record establishes a diagnosis that routinely includes it.
Coding question: Is R05 reported in addition to the diagnosis?
Path: Review the documented diagnosis and whether the classification treats this finding as integral to it.
Reason: Signs and symptoms integral to a confirmed diagnosis are not coded separately; those not routinely associated with it may be reported when present (Guidelines I.B.5, I.B.6, I.C.18.b).
Documentation: Both the condition R05 describes and a condition named in its Excludes1 note are documented for the same encounter.
Coding question: Can both codes be reported?
Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.
Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).
Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.
Code Overview
MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.
Verify Before Coding
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.
Relationships & Classification
MedCoder structured relationships — computed from published CMS and AHRQ datasets
Clinical classification (AHRQ CCSR):SYM013 — Respiratory signs and symptoms (default).
Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.
Related Codes
Same clinical category (CCSR)
AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Respiratory signs and symptoms).
R04.0 — Epistaxis, R04.1 — Hemorrhage from throat, R04.2 — Hemoptysis, R04.81 — Acute idiopathic pulmonary hemorrhage in infants, R04.89 — Hemorrhage from other sites in respiratory passages, R04.9 — Hemorrhage from respiratory passages, unspecified, R05.1 — Acute cough, R05.2 — Subacute cough, R05.3 — Chronic cough, R05.4 — Cough syncope, R05.8 — Other specified cough, R05.9 — Cough, unspecified, R06.00 — Dyspnea, unspecified, R06.01 — Orthopnea, R06.02 — Shortness of breath, R06.03 — Acute respiratory distress, R06.09 — Other forms of dyspnea, R06.1 — Stridor, R06.2 — Wheezing, R06.3 — Periodic breathing, +20 more
Contextual Map
Every relationship of R05 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Run R05 with these 3 related codes in Claim Check
Hierarchy
- R00-R99 — Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) (R00-R99)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- R00-R09 — Symptoms and signs involving the circulatory and respiratory systems[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
Excludes1
- A37.0 — Whooping cough due to Bordetella pertussis[Excludes1]: “paroxysmal cough due to Bordetella pertussis (A37.0-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
- J41.0 — Simple chronic bronchitis[Excludes1]: “smoker's cough (J41.0)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Excludes2
- R04.2 — Hemoptysis[Excludes2]: “cough with hemorrhage (R04.2)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
Clinical classification (CCSR)
- SYM013 — Respiratory signs and symptoms[CCSR]— AHRQ CCSR for ICD-10-CM Diagnoses (HCUP)
Nearest codes
- R05.1 — Acute cough[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- R05.2 — Subacute cough[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- R05.3 — Chronic cough[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- R05.4 — Cough syncope[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- R05.8 — Other specified cough[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
- R05.9 — Cough, unspecified[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2026
Change history (2)
- FY2022 — Became a non-billable header[Change history]— CMS release files (code change ledger) · icd10cm-fy2022
- and 1 more
Common coding questions
Can R05 be billed directly?
No. R05 (Cough) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, title, tabular notes and index terms Official source data
- CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
- Claim edits Official source data
- CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder structured relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates
Change history
- FY2022 — October 1, 2021Became a non-billable headerFY2022 changes
- FY2016 — October 1, 2015In the code set at ICD-10-CM adoptionCough
Nearest Codes in This Family
Official ICD-10-CM classifications closest to R05 in its code family, with their registry titles.