R09.0 – Asphyxia and hypoxemia

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the circulatory and respiratory systems

Non-billable header

ICD-10-CM code R09.0

Code: R09.0 (claims format: R090)
Description: Asphyxia and hypoxemia
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R00-R09 Symptoms and signs involving the circulatory and respiratory systems
Parent codes: R09

Billable codes under R09.0

R09.0 is a header code and cannot be used on claims. Choose the most specific code:

R09.01 – AsphyxiaBillable
R09.02 – HypoxemiaBillable

Notes for R09.0

Excludes1 (not coded here):

asphyxia due to carbon monoxide (T58.-)
asphyxia due to foreign body in respiratory tract (T17.-)
birth (intrauterine) asphyxia (P84)
hyperventilation (R06.4)
traumatic asphyxia (T71.-)

Excludes2 (not included here):

hypercapnia (R06.89)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

R09 – Other symptoms and signs involving the circulatory and respiratory system

Excludes1 (not coded here):

acute respiratory distress syndrome (J80)
respiratory arrest of newborn (P28.81)
respiratory distress syndrome of newborn (P22.0)
respiratory failure (J96.-)
respiratory failure of newborn (P28.5)

Related codes in R09

Frequently asked questions

What is ICD-10 code R09.0?

R09.0 is the ICD-10-CM code for asphyxia and hypoxemia, in the block R00-R09 (Symptoms and signs involving the circulatory and respiratory systems).

Is R09.0 a billable code?

No. R09.0 is a header code with more specific child codes; report one of the billable codes listed above.

What category does R09.0 belong to?

It belongs to category R09 – Other symptoms and signs involving the circulatory and respiratory system.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.