Specific code 2015 ICD-9-CM Diagnosis Code 315.9
Unspecified delay in development
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 315.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 315.9 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 315.9 converts approximately to:
  • 2015/16 ICD-10-CM F81.9 Developmental disorder of scholastic skills, unspecified
  • 2015/16 ICD-10-CM F89 Unspecified disorder of psychological development
Approximate Synonyms
  • Developmental delay
  • Developmental delay, global
  • Developmental delay, mild-moderate
  • Developmental delay, severe
  • Developmental disorder
  • Developmental neurologic disorder
  • Gen neurologic/dev delay
  • Global developmental delay
  • Mild to moderate developmental delay
  • Neurodevelopmental disorder
  • Severe developmental delay
Clinical Information
  • According to United States Federal legislation, learning problems that are due to visual, hearing, or motor handicaps, mental retardation, emotional disturbance or environmental, cultural, or economic disadvantage. Compare learning disabilities
  • As encompassed in federal legislation for educational assistance to handicapped children, includes disabilities originating before age 18 that constitute substantial barriers to normal functioning. Use a more specific term if possible
  • Conditions characterized by a significant discrepancy between an individual's perceived level of intellect and their ability to acquire new language and other cognitive skills; may result from organic or psychological conditions
  • Delays in any or all areas including cognitive, social, language, sensory, and emotional development
Applies To
  • Developmental disorder NOS
  • Learning disorder NOS
ICD-9-CM Volume 2 Index entries containing back-references to 315.9:
  • Delay, delayed
  • Disorder - see also Disease
    • learning 315.9
  • Retardation
    • development, developmental, specific (see also Disorder, development, specific) 315.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 315.9 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.