K71.9 Toxic liver disease, unspecified

Billable ICD-10-CM code, FY2026.

Applies from 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)

MS-DRG index

Defines the logic of DRG(s) 441-443 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 573.3 Hepatitis, unspecified (approximate)

Code annotations containing back-references to K71.9

Back-references to K71

• Type 1 Excludes: K73 Chronic hepatitis, not elsewhere classified ("drug-induced hepatitis (chronic) (K71.-)")
• Type 2 Excludes: K75 Other inflammatory liver diseases ("toxic liver disease (K71.-)")
• Type 2 Excludes: K76 Other diseases of liver ("toxic liver disease (K71.-)")

Diagnosis Index entries for K71.9

• Degeneration, degenerative › liver (diffuse) NEC › toxic (acute)
• Disease, diseased › hepatobiliary › toxic
• Disease, diseased › liver (chronic) (organic) › toxic

Nearby codes

• K71.50 Toxic liver disease with chronic active hepatitis without ascites
• K71.51 Toxic liver disease with chronic active hepatitis with ascites
• K71.6 Toxic liver disease with hepatitis, not elsewhere classified
• K71.7 Toxic liver disease with fibrosis and cirrhosis of liver
• K71.8 Toxic liver disease with other disorders of liver
• K71.9 Toxic liver disease, unspecified (this code)