Is ICD-10-CM code T52.822 billable?

No, T52.822 (Toxic effect of cycloparaffins, intentional self-harm) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code T52.822 belong to?

T52.822 belongs to Chapter 19 of the ICD-10-CM tabular list: S00–T88 (Injury, Poisoning and Certain Other Consequences of External Causes).

T52.822Not billable, use a more specific code below

Toxic effect of cycloparaffins, intentional self-harm

Under T52.82 Toxic effects of cycloparaffins, in Toxic effects of substances chiefly nonmedicinal as to source (T51-T65), chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes

3 billable codes under T52.822: none are a CC or MCC; none map to an HCC.

Instructional notes

Also applies, from T52.82: Toxic effects of cycloparaffins

These notes sit on T52.82 and apply to every code under it, including T52.822.

Includes: conditions that are coded here

Toxic effects of naphthenes
Toxic effects of cycloalkanes

Also applies, from T52: Toxic effect of organic solvents

These notes sit on T52 and apply to every code under it, including T52.822.

Excludes1: not coded here, use a different code

halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)

Also applies, from Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

These notes sit on T51-T65 and apply to every code under it, including T52.822.

Excludes1: not coded here, use a different code

contact with and (suspected) exposure to toxic substances (Z77.-)

Use additional code: add a second code for this, listed after this one

code(s):
for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
personal history of foreign body fully removed (Z87.821)
to identify any retained foreign body, if applicable (Z18.-)

All codes under T52.822

T52.822 can't be used on a claim. Pick a billable code below; grey headings group them.

MS-DRGs

As the principal diagnosis, the billable codes under T52.822 group to these MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

DRG 917 Poisoning and Toxic Effects of Drugs with MCC (1 of 3 codes)
DRG 918 Poisoning and Toxic Effects of Drugs without MCC (1 of 3 codes)
DRG 922 Other Injury, Poisoning and Toxic Effect Diagnoses with MCC (1 of 3 codes)
DRG 923 Other Injury, Poisoning and Toxic Effect Diagnoses without MCC (1 of 3 codes)
DRG 949 Aftercare with CC/MCC (1 of 3 codes)
DRG 950 Aftercare without CC/MCC (1 of 3 codes)

Code history

Added in FY2027 (effective October 1, 2026). No changes since.