R63.1 Polydipsia

Billable ICD-10-CM code, FY2026.

Applicable to

• Excessive thirst

Applies from R63 Symptoms and signs concerning food and fluid intake

Excludes1 (never code together)

• bulimia NOS (F50.2-)

MS-DRG index

Defines the logic of DRG(s) 640-641 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 783.5 Polydipsia

Diagnosis Index entries for R63.1

• Excess, excessive, excessively › thirst
• Polydipsia
• Thirst, excessive

Nearby codes

• R63 Symptoms and signs concerning food and fluid intake
• R63.0 Anorexia
• R63.1 Polydipsia (this code)
• R63.2 Polyphagia
• R63.3 Feeding difficulties
• R63.30 Feeding difficulties, unspecified
• R63.31 Pediatric feeding disorder, acute
• R63.32 Pediatric feeding disorder, chronic