Is A41.53 a billable ICD-10-CM code?

Yes. A41.53 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does A41.53 sit in the tabular list?

Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).

What cannot be coded together with A41.53?

A41.53 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above A41.53 (A41) and apply to it just the same.

A41.53

A41.53 — Sepsis due to Serratia

Billable / specific codeICD-10-CM

A41.53 is a billable, specific ICD-10-CM code for sepsis due to serratia. It is valid for submission on a claim.

Excludes1 inherited from the categories above A41.53

These are not written on A41.53, but they bind it: a note on a category applies to every code beneath it. Billing A41.53 with anything listed here is a denial.

Written on A41 — Other sepsis

bacteremia NOS (R78.81)
neonatal (P36.-)
puerperal sepsis (O85)
streptococcal sepsis (A40.-)

Excludes2 inherited from the categories above A41.53

Also inherited, and the opposite of Excludes1: these conditions are not part of A41.53, but a patient can have both, so you may code both.

Written on A41 — Other sepsis

sepsis (due to) (in) actinomycotic (A42.7)
sepsis (due to) (in) anthrax (A22.7)
sepsis (due to) (in) candidal (B37.7)
sepsis (due to) (in) Erysipelothrix (A26.7)
sepsis (due to) (in) extraintestinal yersiniosis (A28.2)
sepsis (due to) (in) gonococcal (A54.86)
sepsis (due to) (in) herpesviral (B00.7)
sepsis (due to) (in) listerial (A32.7)
sepsis (due to) (in) melioidosis (A24.1)
sepsis (due to) (in) meningococcal (A39.2-A39.4)
sepsis (due to) (in) plague (A20.7)
sepsis (due to) (in) tularemia (A21.7)
toxic shock syndrome (A48.3)

Risk adjustment

A41.53 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 2 Septicemia, Sepsis, Systemic Inflammatory Response Syndrome/Shock0.500 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

A41.53 is named in 20 Medicare coverage policies — 20 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52868Billing and Coding: Transesophageal Echocardiography (TEE)
A56421Billing and Coding: CT of the Abdomen and Pelvis
A56505Billing and Coding: Transesophageal Echocardiography (TEE)
A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax

How A41.53 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 A41.53.

Sepsis›Serratia
Infection, infected, infective›Serratia NEC›generalized

The condition this code belongs to

Every code for the condition on one page, which one applies when, and the mistake coders make with it.

Sepsis ICD-10 codes

Code history

A41.53 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 A41.5. If A41.53 is not quite right, the correct code is usually one of these.

Questions about A41.53

Is A41.53 a billable ICD-10-CM code?: Yes. A41.53 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does A41.53 sit in the tabular list?: Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).
What cannot be coded together with A41.53?: A41.53 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above A41.53 (A41) and apply to it just the same.