ICD-10-CM Diagnosis Code B20 - Human immunodeficiency virus [HIV] disease (original) (raw)

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Human immunodeficiency virus [HIV] disease

ICD-10-CM Code:

B20

ICD-10 Code for:

Human immunodeficiency virus [HIV] disease

Is Billable?

Yes - Valid for Submission

Chronic Condition Indicator: [1]

Chronic

Code Navigator:

B20 is a billable diagnosis code used to specify a medical diagnosis of human immunodeficiency virus [hiv] disease. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2025 through September 30, 2026.

  1. Code Information
  2. Approximate Synonyms
  3. Clinical Classification
  4. Clinical Information
  5. Tabular List of Diseases and Injuries
  6. Index to Diseases and Injuries References
  8. Diagnostic Related Groups Mapping
  9. Convert to ICD-9 Code
  10. Patient Education
  11. Code History

The following list of clinical terms are approximate synonyms, alternative descriptions, or common phrases that might be used by patients, healthcare providers, or medical coders to describe the same condition. These synonyms and related diagnosis terms are often used when searching for an ICD-10 code, especially when the exact medical terminology is unclear. Whether you're looking for lay terms, similar diagnosis names, or common language alternatives, this list can help guide you to the correct ICD-10 classification.

Clinical Classifications group individual ICD-10-CM diagnosis codes into broader, clinically meaningful categories. These categories help simplify complex data by organizing related conditions under common clinical themes.

They are especially useful for data analysis, reporting, and clinical decision-making. Even when diagnosis codes differ, similar conditions can be grouped together based on their clinical relevance. Each category is assigned a unique CCSR code that represents a specific clinical concept, often tied to a body system or medical specialty.

CCSR Code: INF006

Inpatient Default: Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.

Outpatient Default: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.

a decrease in the number of granulocytes; (basophils; eosinophils; and neutrophils).

a highly contagious dna virus infection of the cat family, characterized by fever, enteritis and bone marrow changes. it is also called feline ataxia, feline agranulocytosis, feline infectious enteritis, cat fever, cat plague, and show fever. it is caused by feline panleukopenia virus or the closely related mink enteritis virus or canine parvovirus.

general ill health, malnutrition, and weight loss, usually associated with chronic disease.

infection with parasitic protozoa of the genus isospora, producing intestinal disease. it is caused by ingestion of oocysts and can produce tissue cysts.

a chronic skin disease characterized by small follicular papules, disseminated reddish-brown scaly patches, and often, palmoplantar hyperkeratosis. the papules are about the size of a pin and topped by a horny plug.

exuberant inflammatory response towards a previously acquired or undiagnosed opportunistic infection. it is frequently seen in aids patients following antiretroviral treatment.

a condition of substandard growth or diminished capacity to maintain normal function.

a genus of protozoan parasites found in the intestines of birds, amphibians, reptiles, and mammals, including man. the oocysts produce two sporocysts, each with four sporozoites. many species are parasitic in wild and domestic animals.

fatigue not relieved by rest; limiting instrumental adl or mild/moderate impact on age-appropriate normal daily activity (pediatric)

uneasiness or lack of well being limiting instrumental adl or mild/moderate impact on age-appropriate normal daily activity (pediatric)

fatigue not relieved by rest, limiting self-care adl or severe impact on age-appropriate normal daily activity (pediatric)

uneasiness or lack of well being limiting self-care adl or severe impact on age-appropriate normal daily activity (pediatric)

a fungal infection by any of the candida species in two or more non-contiguous sterile body compartments.

a marked decrease in the number of mature granulocytes (most often neutrophils) in the peripheral blood.

agranulocytosis that occurs with chemotherapy.

a rare congenital disorder characterized by mild or severe reduction of neutrophils in the peripheral blood and recurrent infantile infections.

a hematologic disorder caused by a mutation in the elane (ela2) gene; clinical manifestations include recurrent neutropenia with resultant susceptibility to infection leading to fever.

pneumonia that is attributed to the bacteria streptococcus pneumonia.

inflammation of the membranes surrounding the brain and spinal cord without a bacterial pathogen.

an unfavorable feeling of fatigue temporally associated with the use of a medical treatment or procedure.

fatigue relieved by rest

uneasiness or lack of well being

fatigue not relieved by rest; limiting instrumental adl

uneasiness or lack of well being limiting instrumental adl

fatigue not relieved by rest, limiting self care adl

uneasiness or lack of well being limiting self-care adl

a feeling of general discomfort or uneasiness, an out-of-sorts feeling.

a disorder characterized by a feeling of general discomfort or uneasiness, an out-of-sorts feeling.

a feeling of malaise after physical or mental effort or stress.

a rare cutaneous disorder of unknown etiology characterized by the presence of reddish-orange scaly plaques, palmoplantar keratoderma, keratotic follicular papules, and confluent erythematous areas with areas of normal skin between the lesions.

painful, localized rash caused by reactivation of latent varicella zoster virus residing in nerve cell bodies, with resulting infection of the skin in the region supplied by the affected nerve.

a form of herpes zoster infection characterized by dermatitis of the skin of the eyelid due to reactivation of latent virus associated with the ophthalmic branch of the trigeminal nerve.

an epithelial hyperplasia on the surface of the tongue associated with epstein-barr virus and found almost exclusively in persons with hiv infection. the lesion consists of a white patch that is often corrugated or hairy.

the sudden onset of inflammation of heart muscle with myocellular necrosis; this is generally secondary to an infectious cause, and patients often have a recent history of a flu-like illness.

a fungal infection by any of the candida species in a sterile body compartment.

a clinical term that indicates the presence of a white patch on the surface of the tongue which cannot be characterized as any other disease. it may be a precancerous condition and in most cases histologic examination reveals keratosis.

evidence of acute and subacute endocarditis.

acute inflammation of the endocardium. bacteria is the usual etiologic agent, and the distinction between "acute" and "subacute" has traditionally been made based on the pathogenic organism and clinical presentation.

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.

Includes

Includes This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

Code First

Code First Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.

Use Additional Code

Use Additional Code The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

Type 1 Excludes

Type 1 Excludes A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

References found for this diagnosis code in the External Cause of Injuries Index:

Below are the ICD-9 codes that most closely match this ICD-10 code, based on the General Equivalence Mappings (GEMs). This ICD-10 to ICD-9 crosswalk tool is helpful for coders who need to reference legacy diagnosis codes for audits, historical claims, or approximate code comparisons.

ICD-9-CM: 042

This is a direct match with no additional mapping qualifiers. The absence of a flag generally means the mapping is considered exact or precise. In other words, the ICD-10 code maps cleanly to the ICD-9 code without qualification, approximation, or needing multiple codes.

HIV

What is HIV?

HIV stands for human immunodeficiency virus. HIV harms your immune system by destroying a type of white blood cell that helps your body fight infection. This puts you at risk for other infections and diseases.

What is AIDS?

AIDS stands for acquired immunodeficiency syndrome. It is the final stage of infection with HIV. It happens when the body's immune system is badly damaged because of the virus. Not everyone with HIV develops AIDS.

How does HIV spread?

HIV is spread through certain body fluids from a person who has HIV. This can happen:

Who is at risk for HIV infection?

Anyone can get HIV, but certain groups have a higher risk of getting it:

Factors such as stigma, discrimination, income, education, and geographic region can also affect people's risk for HIV.

What are the symptoms of HIV?

The first signs of HIV infection may be flu-like symptoms:

These symptoms may come and go within two to four weeks. This stage is called acute HIV infection.

If the infection is not treated, it becomes chronic HIV infection. Often, there are no symptoms during this stage. If it is not treated, eventually the virus will weaken your body's immune system. Then the infection will progress to AIDS. This is the late stage of HIV infection. Because your immune system is badly damaged, your body cannot fight off other infections, called opportunistic infections (OIs). OIs are infections that happen more frequently or are more severe in people who have weakened immune systems.

Some people may not feel sick during the earlier stages of HIV infection. So the only way to know for sure whether you have HIV is to get tested.

How do I know if I have HIV?

A blood test can tell if you have HIV infection. Your health care provider can do the test, or you can use a home testing kit. You can also use the CDC Testing Locator to find free testing sites.

What are the treatments for HIV?

There is no cure for HIV infection, but it can be treated with medicines. This is called antiretroviral therapy (ART). ART can make HIV infection a manageable chronic condition. It also reduces the risk of spreading the virus to others.

Most people with HIV live long and healthy lives if they get ART as soon as possible and stay on it. It's also important to take care of yourself. Making sure that you have the support you need, living a healthy lifestyle, and getting regular medical care can help you enjoy a better quality of life.

Can HIV infection be prevented?

You can reduce the risk of getting or spreading HIV by:

NIH: National Institutes of Health

[Learn More in MedlinePlus]