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K52.831
ICD-10-CM
Lymphocytic Colitis

Find comprehensive information on Lymphocytic Colitis, including clinical documentation requirements, medical coding guidelines, ICD-10 codes (K52.8), SNOMED CT concepts, and histopathology findings. Learn about the diagnosis, treatment, and management of Lymphocytic Colitis with resources for healthcare professionals, clinicians, and medical coders. Explore symptoms, differential diagnosis, colonoscopy findings, biopsy interpretation, and microscopic colitis. Improve your understanding of this chronic inflammatory condition and ensure accurate clinical documentation and coding.

Also known as

Microscopic Colitis - Lymphocytic Type

Diagnosis Snapshot

Key Facts
  • Definition : Chronic inflammatory bowel disease causing watery diarrhea.
  • Clinical Signs : Frequent watery stools, abdominal pain, fatigue. No weight loss or bleeding.
  • Common Settings : Outpatient gastroenterology clinic, colonoscopy suite.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K52.831 Coding
K52.8

Other noninfective gastroenteritis and colitis

This code encompasses various non-infectious inflammatory bowel conditions, including lymphocytic colitis.

K52.9

Noninfective gastroenteritis and colitis, unspecified

Used when the specific type of noninfective gastroenteritis or colitis is not documented.

K51

Ulcerative colitis

While not the primary code, it can be relevant for cases with overlapping features.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the diagnosis Lymphocytic Colitis?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Chronic watery diarrhea, normal colonoscopy.
Microscopic colitis, collagenous subtype.
Irritable bowel syndrome with diarrhea.

Documentation Best Practices

Documentation Checklist
  • Chronic watery diarrhea symptoms documented
  • Colonoscopy findings: normal or near-normal mucosa
  • Microscopic colitis: increased intraepithelial lymphocytes
  • Exclude other causes of chronic diarrhea
  • Lymphocytic colitis diagnosis confirmed by biopsy

Coding and Audit Risks

Common Risks
  • Unspecified Colitis Coding

    Using unspecified colitis codes (e.g., K52.9) when lymphocytic colitis is confirmed, leading to inaccurate DRG assignment and reimbursement.

  • Microscopic Colitis CDI

    Insufficient clinical documentation to differentiate lymphocytic colitis from collagenous colitis, impacting accurate coding and quality reporting.

  • Symptom Coding Overlap

    Coding symptoms (e.g., diarrhea) instead of the definitive diagnosis of lymphocytic colitis, leading to underreporting of the disease prevalence.

Mitigation Tips

Best Practices
  • Code J52.81 for Lymphocytic Colitis accurately.
  • Document symptom onset, duration, severity for CDI.
  • Rule out other colitis causes via differential diagnosis.
  • Biopsy is crucial: code correct anatomical site.
  • Ensure compliance with pathology report documentation.

Clinical Decision Support

Checklist
  • Chronic watery diarrhea documented
  • No evidence of inflammatory bowel disease
  • Normal colonoscopy or biopsy findings consistent with lymphocytic colitis
  • Exclude infectious causes and medication side effects

Reimbursement and Quality Metrics

Impact Summary
  • Lymphocytic Colitis: Reimbursement and Quality Metrics Impact Summary
  • Keywords: ICD-10 K52.8, medical billing, coding accuracy, hospital reporting, quality measures, value-based care, reimbursement rates, clinical documentation improvement
  • Impact 1: Accurate K52.8 coding maximizes reimbursement.
  • Impact 2: Miscoding can lead to claim denials and revenue loss.
  • Impact 3: Proper documentation impacts quality reporting and pay-for-performance.
  • Impact 4: Lymphocytic Colitis diagnosis data affects hospital quality metrics.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Code K52.8 for Lymphocytic Colitis
  • Document endoscopic findings
  • Confirm diagnosis histologically
  • Exclude other colitis causes
  • Specify active or remission

Documentation Templates

Patient presents with chronic watery diarrhea, consistent with the suspected diagnosis of lymphocytic colitis.  Symptoms include frequent, non-bloody bowel movements, often exceeding four per day, and abdominal discomfort.  No reported fever, weight loss, or nocturnal symptoms.  Patient denies recent travel, antibiotic use, or exposure to known infectious agents.  Physical examination reveals a non-tender abdomen with normal bowel sounds.  Complete blood count, comprehensive metabolic panel, inflammatory markers (CRP, ESR), and stool studies (including fecal calprotectin and infectious workup) were ordered to evaluate for alternative diagnoses such as inflammatory bowel disease (Crohn's disease, ulcerative colitis), irritable bowel syndrome, and microscopic colitis.  Colonoscopy with biopsies was performed, revealing normal macroscopic appearance of the colon, however, histopathology confirmed the diagnosis of lymphocytic colitis, demonstrating increased intraepithelial lymphocytes.  Given the patient's symptoms and histologic findings, a diagnosis of lymphocytic colitis was established.  Treatment plan includes dietary modifications, specifically a trial of a gluten-free diet and lactose avoidance.  The patient was educated on the chronic nature of lymphocytic colitis and the potential need for pharmacologic intervention with budesonide or other anti-inflammatory medications if dietary modifications prove insufficient.  Follow-up appointment scheduled in four weeks to assess response to therapy and adjust management as needed.  Differential diagnosis included irritable bowel syndrome, inflammatory bowel disease, and infectious colitis.  ICD-10 code K52.83 (other noninfective gastroenteritis and colitis) and SNOMED CT code 66273007 (lymphocytic colitis) are appropriate for this case.