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Chapter 11: Diseases of the digestive system
K35-K38

Diseases of appendix

Explore the ICD-10 code range K35-K38 for diseases of the appendix, including appendicitis and other appendiceal disorders. This guide aids healthcare professionals in precise clinical documentation, enhancing coding specificity and accuracy. Optimize your medical records with detailed insights into appendiceal disease classification, improving patient care and billing efficiency.

About This Range
29+
Total codes
21+
Billable codes
8+
Non-billable codes
11
Chapters
Codes in this Range (29+)
Chapter 11: Diseases of the digestive system Range: K00-K95
K35
Acute appendicitis
K35.2
Acute appendicitis with generalized peritonitis
K35.20
Acute appendicitis with generalized peritonitis, without abscess
K35.200
Acute appendicitis with generalized peritonitis, without perforation or abscess
Billable
K35.201
Acute appendicitis with generalized peritonitis, with perforation, without abscess
Billable
K35.209
Acute appendicitis with generalized peritonitis, without abscess, unspecified as to perforation
Billable
K35.21
Acute appendicitis with generalized peritonitis, with abscess
K35.210
Acute appendicitis with generalized peritonitis, without perforation, with abscess
Billable
K35.211
Acute appendicitis with generalized peritonitis, with perforation and abscess
Billable
K35.219
Acute appendicitis with generalized peritonitis, with abscess, unspecified as to perforation
Billable
K35.3
Acute appendicitis with localized peritonitis
K35.30
Acute appendicitis with localized peritonitis, without perforation or gangrene
Billable
K35.31
Acute appendicitis with localized peritonitis and gangrene, without perforation
Billable
K35.32
Acute appendicitis with perforation, localized peritonitis, and gangrene, without abscess
Billable
K35.33
Acute appendicitis with perforation, localized peritonitis, and gangrene, with abscess
Billable
K35.8
Other and unspecified acute appendicitis
K35.80
Unspecified acute appendicitis
Billable
K35.89
Other acute appendicitis
K35.890
Other acute appendicitis without perforation or gangrene
Billable
K35.891
Other acute appendicitis without perforation, with gangrene
Billable
K36
Other appendicitis
Billable
K37
Unspecified appendicitis
Billable
K38
Other diseases of appendix
K38.0
Hyperplasia of appendix
Billable
K38.1
Appendicular concretions
Billable
K38.2
Diverticulum of appendix
Billable
K38.3
Fistula of appendix
Billable
K38.8
Other specified diseases of appendix
Billable
K38.9
Disease of appendix, unspecified
Billable

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Frequently Asked Questions
What are the common symptoms of appendicitis?

Common symptoms of appendicitis include abdominal pain, particularly in the lower right quadrant, nausea, vomiting, and fever. Early diagnosis and treatment are crucial to prevent complications such as a ruptured appendix.

How is appendicitis diagnosed?

Appendicitis is diagnosed through a combination of physical examination, medical history, and imaging tests such as an abdominal ultrasound or CT scan. Blood tests may also be conducted to check for signs of infection.

What are the treatment options for appendicitis?

The primary treatment for appendicitis is surgical removal of the appendix, known as an appendectomy. In some cases, antibiotics may be used to treat mild cases or as a preoperative measure. Prompt treatment is essential to avoid complications.

Diseases of appendix