ACHI development and principles

Serbia Health Project – Additional Financing Training for Trainers on AR-DRG, 05-09.12.2011

Република СрбијаМИНИСТАРСТВО ЗДРАВЉА

Linda Best

10.45 - 11.30 Tuesday, 6th December 2011

ACHI development and principles



Australian Classification of Health Interventions – ACHI

WHO ICD-10 does not have a companion intervention classification

An Australian intervention classification was produced to be used in conjunction with ICD-10-AM (Australian modification)

Self-contained classification based on a fee schedule (MBS)



Australian Classification of Health Interventions – ACHI cont.

Contains codes for surgical operations, medical procedures, allied health and dental interventions

Codes are numeric only – five digits with a two digit extension



Structure of ACHI

Numbering system and blocks- Code numbers not in numerical order- Block numbers are used to aggregate codes- Blocks in numerical order, to help find codes



Structure of ACHI cont.

Multi-axial structure, three axes:- Primary axis – site- Secondary axis – procedure type- Tertiary axis – specific site, procedure or

technique used



Structure of ACHI cont.For example:

Eardrum and middle ear

Examination41629-00 Exploration of middle ear41650-00 Inspection of tympanic membrane, unilateral

Application, insertion, removal41647-00 Ear toilette, unilateral

Incision41626-00 Myringotomy, unilateral41632-00 Myringotomy with insertion of tube, unilateral

Type of procedure




42773-00 Repair of retinal detachment by diathermy

42773-01 Repair of retinal detachment by cryotherapy

The first five characters represent the MBS item number:

42773 Detached retina, diathermy or cryotherapy for

The last two characters are allocated for each new

procedural concept derived from the MBS item

description




Exceptions:- Dental- Obstetrics- Radiation oncology - Imaging and miscellaneous procedures



Coding procedures with ACHI

Conventions used in Tabular List of Interventions – ACS 0040

- Same as those for diseases essential and nonessential modifiers NEC – not elsewhere classified ‘see’ and ‘see also’



Coding procedures with ACHI cont.

Conventions used in Tabular List of Interventions – ACS 0040 (cont)

- New or different: includes notes – refers to procedural

components or equipment used that is inherent in the description of a code or block heading or may further define the site

and/or in code titles – ‘and’ means and, ‘or’ means or. 59903-00 [607] Left

ventriculography59903-01 [607] Right ventriculography59903-02 [607] Left and right ventriculography



Coding procedures with ACHI cont.

Conventions used in Tabular List of Interventions – ACS 0040 (cont)

- ‘Omit code’ – instruction in index next to procedures that are an operative approach, e.g. laparotomy for resection of bowel.

- ‘see block’ – instruction that you must go to the Tabular List and look at the codes in the block



Process for procedure coding

Three basic steps:1.Analyse the documentation used in the

record to describe the procedure – main term and modifiers

2.Locate the main term in the Alphabetic Index, then check the indented modifiers

3.Verify the code shown in the index by checking it in the Tabular List

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ACHI development and principles

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