K71.9 – Toxic liver disease, unspecified

ICD-10-CM 2027 diagnosis code · Diseases of liver

Billable code

ICD-10-CM code K71.9

Code: K71.9 (claims format: K719)
Description: Toxic liver disease, unspecified
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 11. Diseases of the digestive system (K00-K95)
Block: K70-K77 Diseases of liver
Parent codes: K71

Notes inherited from parent codes

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

K71 – Toxic liver disease

Includes:

drug-induced idiosyncratic (unpredictable) liver disease
drug-induced toxic (predictable) liver disease

Excludes2 (not included here):

alcoholic liver disease (K70.-)
Budd-Chiari syndrome (I82.0)

Code first:

poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)

Use additional code:

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Block K70-K77

Excludes1 (not coded here):

jaundice NOS (R17)

Excludes2 (not included here):

hemochromatosis (E83.11-)
Reye's syndrome (G93.7)
viral hepatitis (B15-B19)
Wilson's disease (E83.01)

Index terms for K71.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in K71

Frequently asked questions

What is ICD-10 code K71.9?

K71.9 is the ICD-10-CM code for toxic liver disease, unspecified, in the block K70-K77 (Diseases of liver).

Is K71.9 a billable code?

Yes. K71.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does K71.9 belong to?

It belongs to category K71 – Toxic liver disease.

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.