Specific code 2009 ICD-9-CM Diagnosis Code 276.1
Hyposmolality and/or hyponatremia
  • Short description: HYPOSMOLALITY.
  • ICD-9-CM 276.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 276.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2009 version of ICD-9-CM 276.1.
  • More recent version(s) of ICD-9-CM 276.1: 2010 2011 2012 2013 2014.
Disease Synonyms
  • Hyponatremia
  • Hyponatremia (low sodium level)
  • Hyposmolality
Applies To
  • Sodium [Na] deficiency
Convert to ICD-10-CM: 276.1 converts directly to:
  • 2014 ICD-10-CM E87.1 Hypo-osmolality and hyponatremia
ICD-9-CM Volume 2 Index entries containing back-references to 276.1:
  • Anhydration 276.51
    • with
      • hypernatremia 276.0
      • hyponatremia 276.1
  • Anhydremia 276.52
    • with
      • hypernatremia 276.0
      • hyponatremia 276.1
  • Cachexia 799.4
    • dehydration 276.51
      • with
        • hypernatremia 276.0
        • hyponatremia 276.1
  • Cramp(s) 729.82
    • salt depletion 276.1
  • Deficiency, deficient
    • salt 276.1
    • sodium (Na) 276.1
  • Dehydration (cachexia) 276.51
    • with
      • hypernatremia 276.0
      • hyponatremia 276.1
  • Depletion
    • salt or sodium 276.1
      • causing heat exhaustion or prostration 992.4
      • nephropathy 593.9
  • Findings, abnormal, without diagnosis (examination) (laboratory test) 796.4
  • Fluid
    • loss (acute) 276.50
      • with
        • hypernatremia 276.0
        • hyponatremia 276.1
  • Hyponatremia 276.1
  • Hyposmolality 276.1
    • syndrome 276.1
  • Loss
    • fluid (acute) 276.50
      • with
        • hypernatremia 276.0
        • hyponatremia 276.1
      • fetus or newborn 775.5
  • Syndrome - see also Disease
    • hyposmolality 276.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 276.1 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.