All ICD10 Codes

R27

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Other lack of coordination

Use a more specific code (3 billable)
R27.0Ataxia, unspecifiedR27.8Other lack of coordinationR27.9Unspecified lack of coordination
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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • ataxic gait (R26.0)
  • hereditary ataxia (G11.-)
  • vertigo NOS (R42)

Clinical Hierarchy

BillableHas subcodes
CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R25-R29Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)
R27Other lack of coordinationNot billable
R27.0Ataxia, unspecifiedBillable
R27.8Other lack of coordinationBillable
R27.9Unspecified lack of coordinationBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R27:

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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