ICD-10 Diagnosis Code A74.0

Chlamydial conjunctivitis

Diagnosis Code A74.0

ICD-10: A74.0
Short Description: Chlamydial conjunctivitis
Long Description: Chlamydial conjunctivitis
This is the 2018 version of the ICD-10-CM diagnosis code A74.0

Valid for Submission
The code A74.0 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Certain infectious and parasitic diseases (A00–B99)
    • Other diseases caused by chlamydiae (A70-A74)
      • Other diseases caused by chlamydiae (A74)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code A74.0 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Chlamydial conjunctivitis
  • Conjunctivitis of left eye caused by bacteria
  • Conjunctivitis of left eye caused by Chlamydia trachomatis
  • Inclusion conjunctivitis
  • Inclusion conjunctivitis
  • Inclusion conjunctivitis
  • Inclusion conjunctivitis of the adult
  • Inclusion conjunctivitis of the adult
  • Neonatal bacterial conjunctivitis
  • Neonatal bacterial dacryocystitis
  • Neonatal chlamydial conjunctivitis
  • Neonatal chlamydial dacryocystitis
  • Neonatal chlamydial infection
  • Neonatal chlamydial infection
  • Neonatal dacryocystitis
  • Neonatal inclusion body conjunctivitis
  • Trachoma
  • Trachoma
  • Trachoma
  • Trachoma

Index of Diseases and Injuries
References found for the code A74.0 in the Index of Diseases and Injuries:

Information for Patients

Bacterial Infections

Bacteria are living things that have only one cell. Under a microscope, they look like balls, rods, or spirals. They are so small that a line of 1,000 could fit across a pencil eraser. Most bacteria won't hurt you - less than 1 percent of the different types make people sick. Many are helpful. Some bacteria help to digest food, destroy disease-causing cells, and give the body needed vitamins. Bacteria are also used in making healthy foods like yogurt and cheese.

But infectious bacteria can make you ill. They reproduce quickly in your body. Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E. coli.

Antibiotics are the usual treatment. When you take antibiotics, follow the directions carefully. Each time you take antibiotics, you increase the chances that bacteria in your body will learn to resist them causing antibiotic resistance. Later, you could get or spread an infection that those antibiotics cannot cure.

NIH: National Institute of Allergy and Infectious Diseases

  • Actinomycosis (Medical Encyclopedia)
  • Bacterial vaginosis -- aftercare (Medical Encyclopedia)
  • Blood culture (Medical Encyclopedia)
  • Gram stain (Medical Encyclopedia)
  • Gram stain of skin lesion (Medical Encyclopedia)
  • Necrotizing soft tissue infection (Medical Encyclopedia)

[Read More]


Also called: Conjunctivitis

Conjunctivitis is the medical name for pink eye. It involves inflammation of the outer layer of the eye and inside of the eyelid. It can cause swelling, itching, burning, discharge, and redness. Causes include

  • Bacterial or viral infection
  • Allergies
  • Substances that cause irritation
  • Contact lens products, eye drops, or eye ointments

Pinkeye usually does not affect vision. Infectious pink eye can easily spread from one person to another. The infection will clear in most cases without medical care, but bacterial pinkeye needs treatment with antibiotic eye drops or ointment.

NIH: National Eye Institute

  • Allergic conjunctivitis (Medical Encyclopedia)
  • Conjunctivitis (Medical Encyclopedia)
  • Vernal conjunctivitis (Medical Encyclopedia)

[Read More]
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