2027 ICD-10-CM Diagnosis Code K75.9Inflammatory liver disease, unspecified
ICD-10-CM Codes›K00–K95›K70-K77›K75
- Billable — Valid for Submission
- Chronic Condition
K75.9 is a billable ICD-10-CM diagnosis code for inflammatory liver disease, unspecified. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 441 through 443, 791, 793. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified liver disease.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Copper storage associated hepatitis
- Disorder of liver due to disorder of mineral metabolism
- Hepatic coma due to hepatitis
- Hepatic schistosomiasis
- Hepatitis caused by ionizing radiation
- Idiopathic hepatitis in infancy
- Infection of liver and spleen caused by Schistosoma mansoni
- Infection of spleen
- Inflammatory disease of liver
- Schistosoma mansoni infection
- Splenitis
- Viral arthritis co-occurrent with hepatitis
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to K75.9: its own notes plus those printed at K75, block K70-K77, and Chapter 11. A note printed at a category, block or chapter applies to every code under it.
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Hepatitis NOS
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- jaundice NOS (R17)
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Disease, diseased See Also: Syndrome;
Hepatitis K75.9
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Hepatitis
inflammation of the liver.
Patient EducationClinical
Hepatitis
Hepatitis is inflammation of the liver. Inflammation is swelling that happens when tissues of the body are injured or infected. It can damage your liver. This swelling and damage can affect how well your liver functions.
The full article covers:
- What is hepatitis?
- What causes hepatitis?
- How is viral hepatitis spread?
- Who is at risk for hepatitis?
- What are the symptoms of hepatitis?
- What other problems can hepatitis cause?
- How is hepatitis diagnosed?
- What are the treatments for hepatitis?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert K75.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About K75.9Overview
What is the ICD-10 code for inflammatory liver disease, unspecified?
The ICD-10-CM code for inflammatory liver disease, unspecified is K75.9 (sometimes written as K759). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is K75.9 (Other inflammatory liver diseases) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report inflammatory liver disease, unspecified on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does K75.9 group to?
When inflammatory liver disease, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 793, 791, 442, 441, 443, with relative weights from 0.6890 to 4.2192 depending on complications. Higher weights mean higher Medicare reimbursement.
Can K75.9 be reported with a code from K72.0?
Not as a rule. The Excludes1 note on K75.9 lists "acute or subacute hepatitis (K72.0-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of K75.9?
Under the General Equivalence Mappings, inflammatory liver disease, unspecified converts to ICD-9-CM 573.3 (hepatitis NOS). The mapping is approximate, so confirm the match fits the documentation.
