Is K75.9 a billable ICD-10-CM code?

Yes. K75.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does K75.9 sit in the tabular list?

Diseases of the digestive system (K00-K95), in the block Diseases of liver (K70-K77).

What cannot be coded together with K75.9?

K75.9 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter.

K75.9

K75.9 — Inflammatory liver disease, unspecified

Billable / specific codeICD-10-CM

K75.9 is a billable, specific ICD-10-CM code for inflammatory liver disease, unspecified. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

acute or subacute hepatitis (K72.0-)
chronic hepatitis NEC (K73.-)
viral hepatitis (B15-B19)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Hepatitis NOS

Excludes2 inherited from the categories above K75.9

Also inherited, and the opposite of Excludes1: these conditions are not part of K75.9, but a patient can have both, so you may code both.

Written on K75 — Other inflammatory liver diseases

toxic liver disease (K71.-)

Risk adjustment

K75.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

K75.9 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56421Billing and Coding: CT of the Abdomen and Pelvis

How K75.9 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to K75.9.

Hepatitis
Disease, diseased›liver›inflammatory

Code history

K75.9 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share K75. If K75.9 is not quite right, the correct code is usually one of these.

Questions about K75.9

Is K75.9 a billable ICD-10-CM code?: Yes. K75.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does K75.9 sit in the tabular list?: Diseases of the digestive system (K00-K95), in the block Diseases of liver (K70-K77).
What cannot be coded together with K75.9?: K75.9 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter.