R06.81 Apnea, not elsewhere classified

Billable ICD-10-CM code, FY2026.

Applicable to

• Apnea NOS

Excludes1 (never code together)

• apnea (of) newborn (P28.4-)
• sleep apnea (G47.3-)
• sleep apnea of newborn (primary) (P28.3-)

Applies from R06 Abnormalities of breathing

Excludes1 (never code together)

• acute respiratory distress syndrome (J80)
• respiratory arrest (R09.2)
• respiratory arrest of newborn (P28.81)
• respiratory distress syndrome of newborn (P22.-)
• respiratory failure (J96.-)
• respiratory failure of newborn (P28.5)

MS-DRG index

Defines the logic of DRG(s) 204 in MDC 04.

Approximate ICD-9-CM (GEMs)

• 786.03 Apnea

Code annotations containing back-references to R06.81

Back-references to R06.81

• Type 1 Excludes: G47.3 Sleep apnea ("apnea NOS (R06.81)")
• Type 2 Excludes: J98 Other respiratory disorders ("apnea NOS (R06.81)")
• Type 1 Excludes: Z03.83 Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out ("apnea NOS (R06.81)")

Back-references to R06

• Code Also: E20.810 Autosomal dominant hypocalcemia ("respiratory distress (J80, R06.-)")

Diagnosis Index entries for R06.81

• Apnea, apneic (of) (spells)
• Breathlessness
• Paralysis, paralytic (complete) (incomplete) › respiratory (muscle) (system) (tract)
• Smothering spells

Nearby codes

• R06.4 Hyperventilation
• R06.5 Mouth breathing
• R06.6 Hiccough
• R06.7 Sneezing
• R06.8 Other abnormalities of breathing
• R06.81 Apnea, not elsewhere classified (this code)
• R06.82 Tachypnea, not elsewhere classified
• R06.83 Snoring
• R06.89 Other abnormalities of breathing
• R06.9 Unspecified abnormalities of breathing