R19.7 - Diarrhea, unspecified

Clinical Definition

A chronic headache caused by regular medication overuse, occurring at least 15 days per month, developing as a consequence of regular overuse of acute or symptomatic headache medication for more than 3 months.

Documentation Requirements

• Frequency: Must document headaches occurring ≥15 days/month

• Duration: Document overuse for >3 months

• Medication Type: Specify which medications are being overused:

  • Ergotamine, triptans, opioids

  • Simple analgesics (NSAIDs, acetaminophen)

  • Combination medications

• Pattern: Document both:

  • Pre-existing headache diagnosis

  • Worsening pattern during medication overuse

• Quantity: Document amount/frequency of medication use

Common Synonyms

• Rebound headache

• Drug-induced headache

• Medication misuse headache

• Analgesic rebound headache

Coding Conflicts

Excludes1:

• Primary headache disorders (G43.-, G44.-)

• Headache due to other causes

Excludes2:

• Chronic migraine without aura (G43.3-)

• Chronic tension-type headache (G44.2)

Scribing.io Automation

The AI scribe identifies key documentation patterns including:

• Frequency markers ("daily headaches," "15+ days monthly")

• Medication overuse terminology

• Duration descriptors ("ongoing for 3+ months")

• Medication types and quantities

• Temporal relationship between medication use and headache pattern

These are automatically mapped to justify the diagnosis code while ensuring compliant documentation.