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ICD-10-CM Code R74.0
Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH]

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

R74.0 is a billable ICD code used to specify a diagnosis of nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH]. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code R740 is used to code Elevated transaminases

In medicine, the presence of elevated transaminases, commonly the transaminases alanine transaminase (ALT) and aspartate transaminase (AST), may be an indicator of liver damage. Other terms employed include transaminasemia and transaminitis, although some sources consider the latter pathologically meaningless. Normal ranges for both ALT and AST are 8-40 U/L with mild transaminesemia noted to the upward numerical limit of 250 U/L. Drug-induced increases such as that found with the use of anti-tuberculosis agents such as isoniazid are limited typically to below 100 U/L for either ALT or AST. Cirrhosis of the liver or fulminant liver failure secondary to hepatitis commonly reach values for both ALT and AST in the >1000+ U/L range. Elevated transaminases that persist less than six months are termed 'acute' in nature, and those values that persist for six months or more are termed 'chronic' in nature.

ICD 9 Code: 790.4

Alanine transaminase is one of the two transaminases measured (Aspartate transaminase is the other)

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #947-948 - Signs and symptoms with MCC.
  • DRG Group #947-948 - Signs and symptoms without MCC.

ICD-10-CM Alphabetical Index References for 'R74.0 - Nonspecific elevation of levels of transaminase and lactic acid dehydrogenase [LDH]'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code R74.0. Click on any term below to browse the alphabetical index.


Nonspecific elevation of levels of transaminase or lactic acid dehydrogenase [LDH] (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 790.4 was previously used, R74.0 is the appropriate modern ICD10 code.

Parent Code: R74 - Abnormal serum enzyme levels

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Source: http://icd.codes/icd10cm/R740