CCSD Schedule - Codes

The Pathology chapter is largely based on NHS codes from the National Laboratory Medicine Catalogue (NLMC) which is national catalogue of pathology tests and has combined other codes and profiles currently used in the private sector. This was done to ensure comparability with the public sector, creating the most current, relevant and comprehensive classification of such services available today.

The NLMC list is published under the Open Government Licence for TRUD which allows data and products such as the NLMC to be re-used under the terms and conditions of the Open Government Licence.

Specimen differentiation

The coding structure for pathology has been developed to easily  identify the different specimen samples which can be used for a particular test, this is the last letter of the code. Please see below the abbreviations for the specimen samples.

Abbreviation / Specimen

A = Calculus
B = Blood
C = Cerebrospinal fluid (CSF)
D = Blood spot
F = Faeces
H = Hair
L = Saliva
M = Bone marrow
O = Other body fluid
S = Skin
T = Tissue
U = Urine

Code List for Chapter ..

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Code Description Chapter Guidance Coding Principles
0016B Cluster of differentiation 25 count 34.3
0016M Cluster of differentiation 25 count 34.3
0017B Cytoplasmic cluster of differentiation 25 count 34.3
0017M Cytoplasmic cluster of differentiation 25 count 34.3
0046B Sm (Smith) immunoglobulin G antibody 34.3
0048B Potassium level 34.1.1 Click here to view unacceptable combinations
0048C Potassium level 34.1.1
0048F Potassium level 34.1.1
0048U Potassium level 34.1.1 Click here to view unacceptable combinations
0049B Sodium level 34.1.1 Click here to view unacceptable combinations
0049C Sodium level 34.1.1
0049F Sodium level 34.1.1
0049O Sodium level 34.1.1
0049U Sodium level 34.1.1 Click here to view unacceptable combinations
0050U Sodium output 34.1.1
0052B α-Hydroxybutyrate dehydrogenase (α-HBDH) 34.1.1
0053B 3-hydroxybutyrate level 34.1.1
0053U 3-hydroxybutyrate level 34.1.1 Click here to view unacceptable combinations
0054B Beta-mannosidase activity 34.1.1
0054S Beta-mannosidase activity 34.1.1
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The CCSD outputs are available to be used by all individual insurers and providers including CCSD and non-CCSD members. Please note that:

  • The CCSD Group does not discuss nor determine classifications, re-imbursement or fees - all insurers will have their own view on these matters
  • The inclusion of a procedure code and/or its associated coding principles in the CCSD Schedule does not necessarily mean that it is endorsed by all members of the CCSD Group and codes may or may not be included in individual insurers’ own Schedules or covered
  • The coding principles are non-exhaustive guidelines only - each individual insurer may choose whether or not to adopt an individual combination of codes in practice and you will need to contact the insurer for further information