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ICD-10/R29.7

R29.7 ICD-10-CM Code: National Institutes of Health Stroke Scale (NIHSS) score

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

Official Registry Overview & Definition

National Institutes of Health Stroke Scale (NIHSS) score is a non-billable ICD-10-CM category code (R29.7). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for R29.7 in the official ICD-10-CM tabular list.

Code First

Underlying conditions that must be sequenced before this code.

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

Change history

  • FY2027 — 2026-10-01
    Code First note added
    the type of cerebral infarction (I60.-, I61.-, I62.-, I63.-)
    FY2027 changes
  • FY2027 — 2026-10-01
    Code First note removed
    the type of cerebral infarction (I63.-)
    FY2027 changes
  • FY2017 — 2016-10-01
    Added to the code set
    National Institutes of Health Stroke Scale (NIHSS) score
    FY2017 changes

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Contextual Map

Every relationship of R29.7 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.

Hierarchy

  • R00-R99 — Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) (R00-R99) [Hierarchy]
  • R25-R29 — Symptoms and signs involving the nervous and musculoskeletal systems [Hierarchy]

Code First

  • I60 — Nontraumatic subarachnoid hemorrhage [Code First]: “the type of cerebral infarction (I60.-, I61.-, I62.-, I63.-)” · check together
  • I61 — Nontraumatic intracerebral hemorrhage [Code First]: “the type of cerebral infarction (I60.-, I61.-, I62.-, I63.-)” · check together
  • I62 — Other and unspecified nontraumatic intracranial hemorrhage [Code First]: “the type of cerebral infarction (I60.-, I61.-, I62.-, I63.-)” · check together
  • I63 — Cerebral infarction [Code First]: “the type of cerebral infarction (I60.-, I61.-, I62.-, I63.-)” · check together

Referenced by Use Additional Code instructions

  • I60 — Nontraumatic subarachnoid hemorrhage [Use Additional Code]: “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)” · check together
  • I61 — Nontraumatic intracerebral hemorrhage [Use Additional Code]: “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)” · check together
  • I62 — Other and unspecified nontraumatic intracranial hemorrhage [Use Additional Code]: “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)” · check together
  • I63 — Cerebral infarction [Use Additional Code]: “code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)” · check together

Nearest codes (40)

  • R29 — Other symptoms and signs involving the nervous and musculoskeletal systems [Sibling]
  • R29.0 — Tetany [Sibling]
  • R29.1 — Meningismus [Sibling]
  • R29.2 — Abnormal reflex [Sibling]
  • R29.3 — Abnormal posture [Sibling]
  • R29.4 — Clicking hip [Sibling]
  • R29.5 — Transient paralysis [Sibling]
  • R29.6 — Repeated falls [Sibling]
  • and 32 more

Change history (3)

  • FY2027 — Code First note added [Change history]
  • and 2 more

Referenced by Other Codes

Official ICD-10-CM tabular notes on other codes that name R29.7 or its code family.

4 Use Additional Code instructions: I60, I61, I62, I63.

Frequently Asked Questions (FAQ) & Clinical Guidance

Can R29.7 be billed directly?

No. R29.7 (National Institutes of Health Stroke Scale (NIHSS) score) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to R29.7 in its code family, with their registry titles.

View all codes in the R29 family