Liver disorders in diseases classified elsewhere
In Diseases of liver (K70-K77), chapter 11: Diseases of the Digestive System
- K77 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under K70-K77 below.
- As a secondary diagnosis it is a CC (complication or comorbidity), which can raise the MS-DRG payment.
- Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
- AHRQ's Chronic Condition Indicator classes it as not chronic (an acute or short-term condition).
- Can't be the principal diagnosis: code the underlying condition first. (Manifestation list)
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Instructional notes
Excludes1: not coded here, use a different code
- alcoholic hepatitis (K70.1-)
- alcoholic liver disease (K70.-)
- cytomegaloviral hepatitis (B25.1)
- herpesviral [herpes simplex] hepatitis (B00.81)
- mumps hepatitis (B26.81)
- sarcoidosis with liver disease (D86.89)
- secondary syphilis with liver disease (A51.45)
- syphilis (late) with liver disease (A52.74)
- toxoplasmosis (acquired) hepatitis (B58.1)
- tuberculosis with liver disease (A18.83)
Code first: code the underlying condition first, then this code
- underlying disease, such as:
- amyloidosis (E85.-)
- congenital syphilis (A50.0, A50.5)
- congenital toxoplasmosis (P37.1)
- infectious mononucleosis with liver disease (B27.0-B27.9 with fifth character 9)
- schistosomiasis (B65.0-B65.9)
Also applies, from Diseases of liver (K70-K77)
These notes sit on K70-K77 and apply to every code under it, including K77.
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.
Other codes under K70-K77
Diseases of liver (K70-K77)
- K70Alcoholic liver disease
- K71Toxic liver disease
- K72Hepatic failure, not elsewhere classified
- K73Chronic hepatitis, not elsewhere classified
- K74Fibrosis and cirrhosis of liver
- K75Other inflammatory liver diseases
- K76Other diseases of liver
- K77Liver disorders in diseases classified elsewhere(this code)
K77 MS-DRGs
As the principal diagnosis, K77 groups to MS-DRG 441, 442, or 443 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
Related conditions
Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.
K77 is in Other specified and unspecified liver disease (DIG019), with 53 codes. Others in it:
- A52.74 Syphilis of liver and other viscera
- B67.0 Echinococcus granulosus infection of liver
- B67.5 Echinococcus multilocularis infection of liver
- I27.840 Fontan-associated liver disease [FALD]
- K70.0 Alcoholic fatty liver
- K70.2 Alcoholic fibrosis and sclerosis of liver
- K70.30 Alcoholic cirrhosis of liver without ascites
- K70.31 Alcoholic cirrhosis of liver with ascites
Medicare coverage articles listing K77
This Medicare billing and coding article lists K77 as a diagnosis that supports medical necessity for the services they cover. From the CMS Medicare Coverage Database; check your own contractor's article before billing.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Liver Diseases
Your liver is the largest organ inside your body. It helps your body digest food, store energy, and remove poisons. There are many kinds of liver diseases:
Read more about liver diseases on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
ICD-9-CM equivalent
Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).
- 573.8 Other specified disorders of liver (approximate)