Is J31 a billable ICD-10-CM code?

No. J31 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does J31 sit in the tabular list?

Diseases of the respiratory system (J00-J99), in the block Other diseases of upper respiratory tract (J30-J39).

J31

J31 — Chronic rhinitis, nasopharyngitis and pharyngitis

Non-billable headerICD-10-CM

J31 is a non-billable header ICD-10-CM code for chronic rhinitis, nasopharyngitis and pharyngitis. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with J31

These codes carry an Excludes1 note pointing at J31. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading J31 alone.

R07.0Pain in throat
J00Acute nasopharyngitis [common cold]
J30Vasomotor and allergic rhinitis

Risk adjustment

J31 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.

Code to one of these instead J31

3 child codes. Green means billable.

Questions about J31

Is J31 a billable ICD-10-CM code?: No. J31 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does J31 sit in the tabular list?: Diseases of the respiratory system (J00-J99), in the block Other diseases of upper respiratory tract (J30-J39).