M86.159
Billable

Other acute osteomyelitis, unspecified femur

Billable / Specific Code

What is Other acute osteomyelitis, unspecified femur?

ICD-10-CM M86.159 is the diagnosis code for Other acute osteomyelitis, unspecified femur. This code falls under the section "Other osteopathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for M86.159

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where M86.159 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeM86.159 — Other acute osteomyelitis, unspecified femur
Sub-Codes (1918)
A00A01A02A03A04A05A06A07A08A09A15A17A18A19A20A21A22A23A24A25A26A27A28A30A31A32A33A34A35A36A37A38A39A40A41A42A43A44A46A48A49A50A51A52A53A54A55A56A57A58A59A60A63A64A65A66A67A68A69A70A71A74A75A77A78A79A80A81A82A83A84A85A86A87A88A89A90A91A92A93A94A95A96A98A99B00B01B02B03B04B05B06B07B08B09B10B15B16B17B18B19B20B25B26B27B30B33B34B35B36B37B38B39B40B41B42B43B44B45B46B47B48B49B50B51B52B53B54B55B56B57B58B59B60B64B65B66B67B68B69B70B71B72B73B74B75B76B77B78B79B80B81B82B83B85B86B87B88B89B90B91B92B94B95B96B97B99C00C01C02C03C04C05C06C07C08C09C10C11C12C13C14C15C16C17C18C19C20C21C22C23C24C25C26C30C31C32C33C34C37C38C39C40C41C43C44C45C46C47C48C49C4AC50C51C52C53C54C55C56C57C58C60C61C62C63C64C65C66C67C68C69C70C71C72C73C74C75C76C77C78C79C7AC7BC80C81C82C83C84C85C86C88C90C91C92C93C94C95C96D00D01D02D03D04D05D06D07D09D10D11D12D13D14D15D16D17D18D19D20D21D22D23D24D25D26D27D28D29D30D31D32D33D34D35D36D37D38D39D3AD40D41D42D43D44D45D46D47D48D49D50D51D52D53D55D56D57D58D59D60D61D62D63D64D65D66D67D68D69D70D71D72D73D74D75D76D77D78D80D81D82D83D84D86D89E00E01E02E03E04E05E06E07E08E09E10E11E13E15E16E20E21E22E23E24E25E26E27E28E29E30E31E32E34E35E36E40E41E42E43E44E45E46E50E51E52E53E54E55E56E58E59E60E61E63E64E65E66E67E68E70E71E72E73E74E75E76E77E78E79E80E83E84E85E86E87E88E89F01F02F03F04F05F06F07F09F10F11F12F13F14F15F16F17F18F19F20F21F22F23F24F25F28F29F30F31F32F33F34F39F40F41F42F43F44F45F48F50F51F52F53F54F55F59F60F63F64F65F66F68F69F70F71F72F73F78F79F80F81F82F84F88F89F90F91F93F94F95F98F99G00G01G02G03G04G05G06G07G08G09G10G11G12G13G14G20G21G23G24G25G26G30G31G32G35G36G37G40G43G44G45G46G47G50G51G52G53G54G55G56G57G58G59G60G61G62G63G64G65G70G71G72G73G80G81G82G83G89G90G91G92G93G94G95G96G97G98G99H00H01H02H04H05H10H11H15H16H17H18H20H21H22H25H26H27H28H30H31H32H33H34H35H36H40H42H43H44H46H47H49H50H51H52H53H54H55H57H59H60H61H62H65H66H67H68H69H70H71H72H73H74H75H80H81H82H83H90H91H92H93H94H95I00I01I02I05I06I07I08I09I10I11I12I13I15I16I1AI20I21I22I23I24I25I26I27I28I30I31I32I33I34I35I36I37I38I39I40I41I42I43I44I45I46I47I48I49I50I51I52I5AI60I61I62I63I65I66I67I68I69I70I71I72I73I74I75I76I77I78I79I80I81I82I83I85I86I87I88I89I95I96I97I99J00J01J02J03J04J05J06J09J10J11J12J13J14J15J16J17J18J20J21J22J30J31J32J33J34J35J36J37J38J39J40J41J42J43J44J45J47J4AJ60J61J62J63J64J65J66J67J68J69J70J80J81J82J84J85J86J90J91J92J93J94J95J96J98J99K00K01K02K03K04K05K06K08K09K11K12K13K14K20K21K22K23K25K26K27K28K29K30K31K35K36K37K38K40K41K42K43K44K45K46K50K51K52K55K56K57K58K59K60K61K62K63K64K65K66K67K68K70K71K72K73K74K75K76K77K80K81K82K83K85K86K87K90K91K92K94K95L00L01L02L03L04L05L08L10L11L12L13L14L20L21L22L23L24L25L26L27L28L29L30L40L41L42L43L44L45L49L50L51L52L53L54L55L56L57L58L59L60L62L63L64L65L66L67L68L70L71L72L73L74L75L76L80L81L82L83L84L85L86L87L88L89L90L91L92L93L94L95L97L98L99M00M01M02M04M05M06M07M08M10M11M12M13M14M15M16M17M18M19M1AM20M21M22M23M24M25M26M27M30M31M32M33M34M35M36M40M41M42M43M45M46M47M48M49M50M51M53M54M60M61M62M63M65M66M67M70M71M72M75M76M77M79M80M81M83M84M85M86M87M88M89M90M91M92M93M94M95M96M97M99N00N01N02N03N04N05N06N07N08N10N11N12N13N14N15N16N17N18N19N20N21N22N23N25N26N27N28N29N30N31N32N33N34N35N36N37N39N40N41N42N43N44N45N46N47N48N49N50N51N52N53N60N61N62N63N64N65N70N71N72N73N74N75N76N77N80N81N82N83N84N85N86N87N88N89N90N91N92N93N94N95N96N97N98N99O00O01O02O03O04O07O08O09O10O11O12O13O14O15O16O20O21O22O23O24O25O26O28O29O30O31O32O33O34O35O36O40O41O42O43O44O45O46O47O48O60O61O62O63O64O65O66O67O68O69O70O71O72O73O74O75O76O77O80O82O85O86O87O88O89O90O91O92O94O98O99O9AP00P01P02P03P04P05P07P08P09P10P11P12P13P14P15P19P22P23P24P25P26P27P28P29P35P36P37P38P39P50P51P52P53P54P55P56P57P58P59P60P61P70P71P72P74P76P77P78P80P81P83P84P90P91P92P93P94P95P96Q00Q01Q02Q03Q04Q05Q06Q07Q10Q11Q12Q13Q14Q15Q16Q17Q18Q20Q21Q22Q23Q24Q25Q26Q27Q28Q30Q31Q32Q33Q34Q35Q36Q37Q38Q39Q40Q41Q42Q43Q44Q45Q50Q51Q52Q53Q54Q55Q56Q60Q61Q62Q63Q64Q65Q66Q67Q68Q69Q70Q71Q72Q73Q74Q75Q76Q77Q78Q79Q80Q81Q82Q83Q84Q85Q86Q87Q89Q90Q91Q92Q93Q95Q96Q97Q98Q99QA0R00R01R03R04R05R06R07R09R10R11R12R13R14R15R16R17R18R19R20R21R22R23R25R26R27R29R30R31R32R33R34R35R36R37R39R40R41R42R43R44R45R46R47R48R49R50R51R52R53R54R55R56R57R58R59R60R61R62R63R64R65R68R69R70R71R73R74R75R76R77R78R79R80R81R82R83R84R85R86R87R88R89R90R91R92R93R94R97R99S00S01S02S03S04S05S06S07S08S09S10S11S12S13S14S15S16S17S19S20S21S22S23S24S25S26S27S28S29S30S31S32S33S34S35S36S37S38S39S40S41S42S43S44S45S46S47S48S49S50S51S52S53S54S55S56S57S58S59S60S61S62S63S64S65S66S67S68S69S70S71S72S73S74S75S76S77S78S79S80S81S82S83S84S85S86S87S88S89S90S91S92S93S94S95S96S97S98S99T07T14T15T16T17T18T19T20T21T22T23T24T25T26T27T28T30T31T32T33T34T36T37T38T39T40T41T42T43T44T45T46T47T48T49T50T51T52T53T54T55T56T57T58T59T60T61T62T63T64T65T66T67T68T69T70T71T73T74T75T76T78T79T80T81T82T83T84T85T86T87T88U07U09V00V01V02V03V04V05V06V09V10V11V12V13V14V15V16V17V18V19V20V21V22V23V24V25V26V27V28V29V30V31V32V33V34V35V36V37V38V39V40V41V42V43V44V45V46V47V48V49V50V51V52V53V54V55V56V57V58V59V60V61V62V63V64V65V66V67V68V69V70V71V72V73V74V75V76V77V78V79V80V81V82V83V84V85V86V87V88V89V90V91V92V93V94V95V96V97V98V99W00W01W03W04W05W06W07W08W09W10W11W12W13W1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Related Codes

Frequently Asked Questions

Is M86.159 a billable ICD-10-CM code?

Yes, M86.159 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M86.159 mean?

M86.159 is the ICD-10-CM diagnosis code for "Other acute osteomyelitis, unspecified femur". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M86.159?

The parent code of M86.159 is M86.15 ("Other acute osteomyelitis, femur"). M86.159 provides a more specific classification within this category.

What section is M86.159 in?

M86.159 is located in Section M86-M90 — "Other osteopathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M86.159?

M86.159 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.

When should I use M86.159?

Use M86.159 when the patients documented diagnosis matches "Other acute osteomyelitis, unspecified femur" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other acute osteomyelitis, unspecified femur?

The ICD-10-CM code for Other acute osteomyelitis, unspecified femur is M86.159.

Can M86.159 be used for primary diagnosis?

Yes, M86.159 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M86.159 in?

M86.159 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M86.159 valid for 2026?

Yes, M86.159 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM86.152Other acute osteomyelitis, left femurNext →M86.16Other acute osteomyelitis, tibia and fibula
Code Details
M86.159
Other acute osteomyelitis, unspecified femur
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M86-M90 — Other osteopathies
2026 ICD-10-CM