R06.81

Billable
ChapterR00–R99
Ranksubcategory
Official Description

Apnea, not elsewhere classified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

Instructional Notes

Includes
  • Apnea NOS
Excludes1(Not coded here)
  • apnea (of) newborn (P28.4-)
  • sleep apnea (G47.3-)
  • sleep apnea of newborn (primary) (P28.3-)
General instructions are available for the parent sections:
View CH18 NotesView R06 Notes

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R00-R09Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
R06Abnormalities of breathing
R06.8Other abnormalities of breathing
R06.81Apnea, not elsewhere classified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R06.81:

categoryR06
Abnormalities of breathing
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R06.81. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

4 raw paths
Apnea, apneic (of) (spells)1 unique routes
Direct index entry→R06.81
Breathlessness1 unique routes
Direct index entry→R06.81
Paralysis, paralytic (complete) (incomplete)1 unique routes
respiratory (muscle) (system) (tract)→R06.81
Smothering spells1 unique routes
Direct index entry→R06.81

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 204
Respiratory Signs and Symptoms

Cross Reference

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