R06.5
BillableMouth breathing
Mouth breathing
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
- •dry mouth NOSR68.2
Related Codes(9)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(47)
SNOMED CT
- Breathing orally77329001
- Mouth breathing77329001
- Absent salivary secretion87715008
- Aptyalia87715008
- Aptyalism87715008
- Asialia87715008
- Clinical xerostomia87715008
- Dry mouth87715008
- Xerostomia87715008
- Obligatory mouth breathing110289004
- Mouth breathing due to nasal obstruction110290008
- Mouth breathing with nasal obstruction110290008
- Chronic mouth breathing110291007
- Finding of route of breathing366141005
- Xerostomia due to mouth breathing707256003
UMLS
Clinical Terms
- Mouth breathing with nasal obstruction
- Obligatory mouth breathing
- Absent salivary secretion
- Finding of route of breathing
- Chronic mouth breathing
- breathing mouth
- Aptyalia
- Clinical xerostomia
- Jaw breathing
- Breathings, Mouth
- Xerostomia
- Mouth Breathings
- mouth breath
- Breathing, Mouth
- Mouth breathing (finding)
- Aptyalism
- Breathing orally
- Xerostomia due to mouth breathing
- Dry mouth
- Asialia
- Mouth breathing due to nasal obstruction
Frequently Asked Questions
What is the ICD-10 code for mouth breathing?
The ICD-10-CM code for mouth breathing is R06.5. The full clinical description is "Mouth breathing". R06.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R06.5 mean?
ICD-10-CM code R06.5 represents “Mouth breathing”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R06.5 a billable code?
Yes, R06.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R06.5 in?
R06.5 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R06.5?
R06.5 has Excludes1 notes indicating codes that cannot be used together with it, including: acute respiratory distress syndrome (J80); respiratory arrest (R09.2); respiratory arrest of newborn (P28.81); and 3 more.
What SNOMED CT codes does R06.5 map to?
R06.5 maps to 7 SNOMED CT concepts: 87715008, 77329001, 110291007, 366141005, 110290008, and 2 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R06.5?
R06.5 is linked to 1 UMLS Concept Unique Identifier: C0026635. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R06.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like mouth breathing affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R06.5?
R06.5 maps to the ICD-11 code: MD11.8Z (Mouth breathing, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.