Skip to main content

R29.70 ICD-10-CM Code: NIHSS score 0-9

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Coding at a Glance

Tabular directives
1 code-first instruction

Coding instructions

Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for R29.70 in the official ICD-10-CM tabular list, quoted as published.

Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2026Effective: October 1, 2025

Notes without a marker are published on R29.70 itself; “inherited from” names the category or block whose note applies here.

This page already reflects the FY2027 tabular note taking effect October 1, 2026.

Code First

Underlying conditions that must be sequenced before this code.

  • the type of cerebral infarction (I60.-, I61.-, I62.-, I63.-)

Source: inherited from R29.7

Coder workflow for R29.70

MedCoder structured workflow — derived from this code’s own official record

Before you code R29.70

  1. R29.70 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).

    ReviewR29.700, R29.701, R29.702, R29.703, R29.704, R29.705, R29.706, R29.707, R29.708, R29.709

    See the relationships section · Guide: How to choose an ICD-10-CM code →

  2. 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).

    Guide: Symptom code vs confirmed diagnosis →

Choose the right path

  1. Does the documentation support one of the more specific codes beneath R29.70?
    Yes → Select that code and continue the checks below on its own page.
    No → R29.70 cannot be reported as written; query for the specificity its subcategory needs.

    ReviewR29.700, R29.701, R29.702, R29.703, R29.704, R29.705, R29.706, R29.707, R29.708, R29.709

  2. 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.
  3. Is the underlying (etiologic) condition the Code First note names documented?
    Yes → Sequence the underlying condition first, then R29.70.
    No → Continue; do not add an underlying condition the record does not document.

    ReviewI60, I61, I62, I63

Consider R29.70. 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).
The underlying (etiologic) condition
Named in the Code First note; sequenced before this code when documented (Guidelines I.A.13).

Official instructions as workflow

  • Code First — sequencing check(1 note)

    Coding workflow: Check whether the underlying or etiologic condition the note names is documented. When it is, sequence it before R29.70. Do not add an underlying condition the record does not document.

    ReviewI60, I61, I62, I63

    See the official tabular notes · Guidelines I.A.13

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 R29.70 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: The underlying condition the Code First note names is documented alongside this condition.

Coding question: How are the two sequenced?

Path: Review the Code First note.

Reason: The underlying condition is sequenced first and the manifestation follows (Guidelines I.A.13).

ReviewI60, I61, I62, I63

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

NIHSS score 0-9 is a non-billable ICD-10-CM category code (R29.70). A more specific billable subcode must be selected for claims submission.

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

Other codes that name R29.70 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 4 Use Additional Code instructions: I60 — Nontraumatic subarachnoid hemorrhage (via R29.7.-), I61 — Nontraumatic intracerebral hemorrhage (via R29.7.-), I62 — Other and unspecified nontraumatic intracranial hemorrhage (via R29.7.-), I63 — Cerebral infarction (via R29.7.-).

These codes instruct coders to additionally report this code when it applies.

Contextual Map

Every relationship of R29.70 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 R29.70 with these 4 related codes in Claim Check

Hierarchy

Referenced by Use Additional Code instructions

  • I60 — Nontraumatic subarachnoid hemorrhage[Use Additional Code](via R29.7.-): “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
  • I61 — Nontraumatic intracerebral hemorrhage[Use Additional Code](via R29.7.-): “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
  • I62 — Other and unspecified nontraumatic intracranial hemorrhage[Use Additional Code](via R29.7.-): “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026
  • I63 — Cerebral infarction[Use Additional Code](via R29.7.-): “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2026

Nearest codes (40)

Change history (3)

Common coding questions

Can R29.70 be billed directly?

No. R29.70 (NIHSS score 0-9) 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

Cite this page

Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.

MedCoder.ai. "R29.70 — NIHSS score 0-9." ICD-10-CM FY2026. https://medcoder.ai/icd10/code/r29.70-nihss-score-0-9

Change history

  • Upcoming · effective FY2027 — October 1, 2026
    Code First note will be added
    the type of cerebral infarction (I60.-, I61.-, I62.-, I63.-)
    FY2027 changes
  • Upcoming · effective FY2027 — October 1, 2026
    Code First note will be removed
    the type of cerebral infarction (I63.-)
    FY2027 changes
  • FY2017 — October 1, 2016
    Added to the code set
    NIHSS score 0-9
    FY2017 changes

Nearest Codes in This Family

Official ICD-10-CM classifications closest to R29.70 in its code family, with their registry titles.

View all codes in the R29 family