ICD-10 Code A07.3 | Isosporiasis Symptoms, Diagnosis, Billing

Isosporiasis is an intestinal infection caused by the protozoan parasite Isospora belli. It primarily affects immunocompromised individuals, leading to significant gastrointestinal symptoms such as diarrhea, abdominal pain, and weight loss. Accurate coding with ICD-10 Code A07.3 is essential for proper diagnosis, documentation, medical billing, and public health reporting, ensuring that affected patients receive appropriate care and resources.

What is ICD-10 Code A07.3 for Isosporiasis?

ICD-10 Code A07.3 represents Isosporiasis, an infection caused by the Isospora belli parasite. This code is used when documenting cases of Isosporiasis in clinical settings, particularly when patients present with symptoms such as diarrhea and abdominal discomfort. It is crucial for accurate billing and tracking of infectious diseases, especially in immunocompromised populations.

ICD-10 Code A07.3 – Clinical Definition and Explanation of Isosporiasis

Isosporiasis is caused by the ingestion of oocysts from contaminated food or water, leading to intestinal infection. The condition can progress to severe diarrhea and dehydration, particularly in immunocompromised patients, necessitating prompt medical attention.

Key Clinical Features:

• Profuse, watery diarrhea
• Abdominal cramps and pain
• Nausea and vomiting
• Weight loss and malnutrition

ICD-10 Code A07.3 for Isosporiasis – SOAP Notes & Clinical Use

In SOAP notes, ICD-10 Code A07.3 is utilized to document the patient's symptoms, assessment findings, and treatment plans related to Isosporiasis. This code is relevant in both acute and chronic care settings, ensuring comprehensive patient management.

What Does ICD-10 Code A07.3 for Isosporiasis Mean in SOAP Notes?

ICD-10 Code A07.3 connects subjective patient-reported symptoms and objective clinical findings to a formal diagnosis of Isosporiasis. This ensures continuity of care, supports accurate billing, and meets EHR documentation standards.

Treatment Options for ICD-10 Code A07.3 – Isosporiasis

Isosporiasis may require hospitalization, especially in severe cases. Treatment typically involves specific medications and supportive care.

Antibiotic Therapy:

• Trimethoprim-sulfamethoxazole (TMP-SMX) for 10-14 days
• Alternative: Nitazoxanide for 3 days

Supportive Care:

• Rehydration therapy to prevent dehydration
• Nutritional support to address weight loss
• Symptomatic treatment for abdominal pain

Infection Control:

• Strict hand hygiene practices
• Isolation precautions for immunocompromised patients
• Monitoring for outbreaks in communal living settings

How to Document Symptoms of Isosporiasis (ICD-10 A07.3) in SOAP Notes

Subjective:

• Patient reports frequent watery diarrhea for 5 days
• Complains of severe abdominal cramps
• Experiencing nausea and occasional vomiting
• Noticed significant weight loss over the past week

Objective:

• Vital signs: BP 100/60, HR 110 bpm, Temp 99.5°F
• Abdominal tenderness on palpation
• Dehydration noted with dry mucous membranes
• Stool sample positive for Isospora belli

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SOAP Note Guidelines for Diagnosing Isosporiasis (ICD-10 Code A07.3)

Assessment:

• Diagnosis: Isosporiasis, moderate severity
• ICD-10 Code: A07.3
• Contributing factors: Immunocompromised status
• Recent travel to endemic areas

Plan:

• Initiate treatment with TMP-SMX for 10 days
• Provide rehydration therapy and monitor electrolytes
• Educate patient on hygiene practices to prevent spread
• Schedule follow-up in one week to assess treatment response

Treatment & Plan Section for ICD-10 Code A07.3 – Isosporiasis

• First-line treatment with TMP-SMX for effective parasite eradication
• Nutritional counseling to address weight loss and malnutrition
• Regular monitoring of hydration status and electrolytes
• Patient education on prevention and hygiene practices

Using ICD-10 Code A07.3 for Isosporiasis in Billing & SOAP Note Compliance

• Ensure accurate documentation of symptoms and clinical findings under Subjective (S) and Objective (O)
• Use A07.3 in billing to justify treatment and diagnostic services
• Align treatment plans with clinical guidelines for appropriate reimbursement
• Include relevant CPT codes that correspond to the services provided

Related ICD-10 Codes Often Used with Isosporiasis

• A07.1 – Cryptosporidiosis
• A09 – Diarrhea, unspecified

ICD-10 Code A07.3 in Medical Billing and Insurance for Isosporiasis

ICD-10 Code A07.3 is critical for billing in hospital, ER, or infectious disease care settings.

Billing Notes:

• Document all relevant clinical findings to support the use of A07.3
• Ensure the code is used in conjunction with appropriate CPT codes for services rendered
• Maintain clear records of patient history and treatment plans for audits
• Use A07.3 in claims to facilitate tracking of infectious disease cases

Common CPT Pairings: