Is R06.4 a billable ICD-10-CM code?

Yes. R06.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does R06.4 sit in the tabular list?

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the circulatory and respiratory systems (R00-R09).

What cannot be coded together with R06.4?

R06.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

R06.4

R06.4 — Hyperventilation

Billable / specific codeICD-10-CM

R06.4 is a billable, specific ICD-10-CM code for hyperventilation. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

psychogenic hyperventilation (F45.8)

Other codes that can never be billed with R06.4

These codes carry an Excludes1 note pointing at R06.4. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading R06.4 alone.

R09.0Asphyxia and hypoxemia

Risk adjustment

R06.4 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

R06.4 is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56494Billing and Coding: Cardiovascular Nuclear Medicine
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
A57205Billing and Coding: Oximetry Services

How R06.4 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R06.4.

Hyperventilation(tetany)
Dyspnea›hyperventilation
Tetany›hyperpnea
Tetany›hyperventilation

Related codes at this level

Codes that share R06. If R06.4 is not quite right, the correct code is usually one of these.

Questions about R06.4

Is R06.4 a billable ICD-10-CM code?: Yes. R06.4 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R06.4 sit in the tabular list?: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the circulatory and respiratory systems (R00-R09).
What cannot be coded together with R06.4?: R06.4 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.