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ICD-10-CM Code G56.42
Causalgia of left upper limb

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

G56.42 is a billable ICD code used to specify a diagnosis of causalgia of left upper limb. A 'billable code' is detailed enough to be used to specify a medical diagnosis.


The ICD code G564 is used to code Complex regional pain syndrome

Complex regional pain syndrome (CRPS) formerly reflex sympathetic dystrophy (RSD), "causalgia", or reflex neurovascular dystrophy (RND) is an amplified musculoskeletal pain syndrome (AMPS). It is a chronic systemic disease characterized by severe pain, swelling, and changes in the skin. CRPS often worsens over time. It may initially affect an arm or leg and spread throughout the body; 35% of people report symptoms throughout their whole body. Other potential effects include: systemic autonomic dysregulation; neurogenic edema; musculoskeletal, endocrine, or dermatological manifestations; and changes in urological or gastrointestinal function.

Specialty: Neurology
MeSH Codes: D020918, D020918, D020918, D020918
ICD 9 Codes: 337.21, 337.22, 354.4, 355.71

Reflex sympathetic dystrophy

Source: Wikipedia

MS-DRG Mapping

  • DRG Group #073-074 - Cranial and peripheral nerve disorders with MCC.
  • DRG Group #073-074 - Cranial and peripheral nerve disorders without MCC.

Equivalent ICD-9 Code GENERAL EQUIVALENCE MAPPINGS (GEM)

Causalgia of upper limb (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code G56.42 and a single ICD9 code, 354.4 is an approximate match for comparison and conversion purposes.


Parent Code: G56.4 - Causalgia of upper limb

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/G5642